The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance Essay Example

The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance Essay I know from my own knowledge that the stopping distance will increase if the mass of the mass of the trolley is increased and the braking force is kept constant. This is because the mass of the trolley will help the trolley speed up as it is rolling down the ramp. When the brakes are applied at the same force the trolley becomes harder to stop.Factors:- Braking force- Mass of trolley- Height of the ramp- FrictionBraking force the more the braking force is then the more it is the less the stopping distance will be. This is because the harder a car brakes the quicker it stops. This will be tested to find a final braking force and then will be kept constant during the final experiment.Mass of the trolley the heavier the trolley is the faster it will go downwards on the slope of the ramp. This is because the gravity will pull the car down and if the car weighs more then the gravity will have a larger effect on it pulling it down at a fast speed. The mass will be the test factor so ther efore will not stay constant and will be changed.Height of the ramp the height of the ramp will effect the stopping distance because the higher the ramp is the more gravitational potential energy there will be. This gravitational potential energy will then be converted into kinetic energy, so this will speed the trolley up making it more difficult for the trolley to stop. Also the higher the ramp will be the steeper the slope will get and therefore the trolley will tend to go faster. This is because the steep slope will make the trolley pick up speed very fast and therefore make it harder to stop at the time when the brakes start.Friction if there is more friction on the surface of the runway and ramp, the trolley will not be able to pick up much speed and also be aided to stop by the friction. And if the surface has too little or no friction at all then the trolley will pick up too much speed and it would be very hard to stop it. Therefore the surface of the ramp and the runway m ust not have too much nor too little friction, but still it should be more towards little than big. For this reason the same surfaced runway and ramp will be used.Apparatus:- Trolley- Ramp- Runway- 1m ruler- Stool- Masses- Pulleys- String- Marker penIf the apparatus were set up like this then it would be very easy to measure the distances. The trolley will be released from the top of the ramp. When it stops and starts to come back on the runway, the runway will be marked at where the trolley was stationary. The same mass of the trolley will be measured twice and then if the results are far apart then a third will be taken to determine an average. After the same mass of the trolley has been measured twice or three times then more masses will be added to the trolley and then the same will be repeated.As we need an average of the different results there will be no point in re-doing anything because we already have an accurate result.Safety there is one safety precaution to be taken se riously. This is the mass; one must make sure that they do not fall on their hands, feet etc.Preliminary experimentDiagramMethodThe experiment was set up as shown in the diagram above. A braking force (mass hung from the end of the stool) was added. The trolley was then released and the stopping distance was recorded. The messes of the trolley were changed to see if the effect of the braking force good enough to stop the heavier trolley, but also not to strong that the lighter massed trolley would fly back without covering much distance.ResultsVarying mass (F)Mass of trolleyStopping distance1kg829g9cm700g829g12cm500g829g13cm300g829g17cm1kg829g + 3866g35cm700g829g + 3866g68cm500g829g + 3866g87cm300g829g + 3866g1mConclusionFrom this experiment we have gathered that the perfect braking force will have to be 500g. This is because the braking force of 1kg was blatantly too big because the trolley instantly flipped backwards. 700g was also too big for the trolley to be stopped with a fair deal of distance. 300g was too small a force for the mass when extra mass was added. 500g was ideal as it worked for the smallest mass of the trolley and also the largest.Obtaining EvidenceThere were no additional changes made to the planned method. The same idea was used but I started of with the measuring of the length of the ramp and also the height and angle of it. The length of the ramp was approximately 80cm and the height was approximately 19cm. With this information the angle can also be measured, which was 13.7à ¯Ã‚ ¿Ã‚ ½.Number of weightsTotal mass of the trolley (g)First stopping distance (cm)Second stopping distance (cm)Third stopping distance (cm)Average stopping distance (cm)0830.0g10cm10.5cm-10.25cm11600g16cm21cm23cm20cm22280g24cm47cm48cm47.5cm33150g66cm63cm-64.5cm43932g86cm86cm-86cm54710g103.5cm104.5cm-104cm65477g107cm117cm123cm115.7cmThe results were taken in the way mentioned in the planning. This is by taking two results and then if they are far apart take a thi rd. Then if it is hard to determine the anomalous result then take an average of all three. But if it is easy to determine the anomalous then dont add it in the average. For example with 4 weights there is no need to put all three in the average because 24cm is nowhere near 47cm and 48cm.Analysing Evidence and Drawing ConclusionsWe can tell from the results that the higher the mass of the trolley there will be the longer the stopping distance will be. This is because if something is moving and it is heavy then we know that it will take longer to stop than if the same object is moving and it is light. An example of this theory is that if a rhino is running at someone then it would collide with the person and injure him or her but if a cat is running at the same pace it would just collide with the person and just fall over most probably injuring itself. This is because of its mass.As I thought before I carried the experiment out the more the mass of the trolley there would be the hard er it would be to stop and therefore the stopping distance will be greater. This was my prediction and that is exactly what happened in the results. I think my prediction was accurate because it is obvious that a heavier object is harder to stop than a lighter object.Evaluating EvidenceI think that most of my method for carrying out the experiment was a good way to do it because the results reflected what was expected by the scientific theories. I think that the way the trolley was released from the same place was good because everytime the trolley was released it was from the same place and therefore the results were made more accurate. I also thought that the position where the brakes were applied was also kept the same everytime by making sure the string, which was acting as the brakes, was always the same length. However I believe that if I were to do the experiment again I would try to use a different way to measure the stopping distances because our eyes are not too accurate to see the exact place where the trolley became stationary and started to go back. I know this because during the experiment I found that it was very hard to be accurate when marking the runway. I am sure that the results I gained however were easily reliable enough to make a conclusion from because they werent many anomalous results and the results showed why what was achieved. We will write a custom essay sample on The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance specifically for you FOR ONLY $16.38 $13.9/page Hire Writer The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance Essay Example The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance Essay I know from my own knowledge that the stopping distance will increase if the mass of the mass of the trolley is increased and the braking force is kept constant. This is because the mass of the trolley will help the trolley speed up as it is rolling down the ramp. When the brakes are applied at the same force the trolley becomes harder to stop.Factors:- Braking force- Mass of trolley- Height of the ramp- FrictionBraking force the more the braking force is then the more it is the less the stopping distance will be. This is because the harder a car brakes the quicker it stops. This will be tested to find a final braking force and then will be kept constant during the final experiment.Mass of the trolley the heavier the trolley is the faster it will go downwards on the slope of the ramp. This is because the gravity will pull the car down and if the car weighs more then the gravity will have a larger effect on it pulling it down at a fast speed. The mass will be the test factor so ther efore will not stay constant and will be changed.Height of the ramp the height of the ramp will effect the stopping distance because the higher the ramp is the more gravitational potential energy there will be. This gravitational potential energy will then be converted into kinetic energy, so this will speed the trolley up making it more difficult for the trolley to stop. Also the higher the ramp will be the steeper the slope will get and therefore the trolley will tend to go faster. This is because the steep slope will make the trolley pick up speed very fast and therefore make it harder to stop at the time when the brakes start.Friction if there is more friction on the surface of the runway and ramp, the trolley will not be able to pick up much speed and also be aided to stop by the friction. And if the surface has too little or no friction at all then the trolley will pick up too much speed and it would be very hard to stop it. Therefore the surface of the ramp and the runway m ust not have too much nor too little friction, but still it should be more towards little than big. For this reason the same surfaced runway and ramp will be used.Apparatus:- Trolley- Ramp- Runway- 1m ruler- Stool- Masses- Pulleys- String- Marker penIf the apparatus were set up like this then it would be very easy to measure the distances. The trolley will be released from the top of the ramp. When it stops and starts to come back on the runway, the runway will be marked at where the trolley was stationary. The same mass of the trolley will be measured twice and then if the results are far apart then a third will be taken to determine an average. After the same mass of the trolley has been measured twice or three times then more masses will be added to the trolley and then the same will be repeated.As we need an average of the different results there will be no point in re-doing anything because we already have an accurate result.Safety there is one safety precaution to be taken se riously. This is the mass; one must make sure that they do not fall on their hands, feet etc.Preliminary experimentDiagramMethodThe experiment was set up as shown in the diagram above. A braking force (mass hung from the end of the stool) was added. The trolley was then released and the stopping distance was recorded. The messes of the trolley were changed to see if the effect of the braking force good enough to stop the heavier trolley, but also not to strong that the lighter massed trolley would fly back without covering much distance.ResultsVarying mass (F)Mass of trolleyStopping distance1kg829g9cm700g829g12cm500g829g13cm300g829g17cm1kg829g + 3866g35cm700g829g + 3866g68cm500g829g + 3866g87cm300g829g + 3866g1mConclusionFrom this experiment we have gathered that the perfect braking force will have to be 500g. This is because the braking force of 1kg was blatantly too big because the trolley instantly flipped backwards. 700g was also too big for the trolley to be stopped with a fair deal of distance. 300g was too small a force for the mass when extra mass was added. 500g was ideal as it worked for the smallest mass of the trolley and also the largest.Obtaining EvidenceThere were no additional changes made to the planned method. The same idea was used but I started of with the measuring of the length of the ramp and also the height and angle of it. The length of the ramp was approximately 80cm and the height was approximately 19cm. With this information the angle can also be measured, which was 13.7à ¯Ã‚ ¿Ã‚ ½.Number of weightsTotal mass of the trolley (g)First stopping distance (cm)Second stopping distance (cm)Third stopping distance (cm)Average stopping distance (cm)0830.0g10cm10.5cm-10.25cm11600g16cm21cm23cm20cm22280g24cm47cm48cm47.5cm33150g66cm63cm-64.5cm43932g86cm86cm-86cm54710g103.5cm104.5cm-104cm65477g107cm117cm123cm115.7cmThe results were taken in the way mentioned in the planning. This is by taking two results and then if they are far apart take a thi rd. Then if it is hard to determine the anomalous result then take an average of all three. But if it is easy to determine the anomalous then dont add it in the average. For example with 4 weights there is no need to put all three in the average because 24cm is nowhere near 47cm and 48cm.Analysing Evidence and Drawing ConclusionsWe can tell from the results that the higher the mass of the trolley there will be the longer the stopping distance will be. This is because if something is moving and it is heavy then we know that it will take longer to stop than if the same object is moving and it is light. An example of this theory is that if a rhino is running at someone then it would collide with the person and injure him or her but if a cat is running at the same pace it would just collide with the person and just fall over most probably injuring itself. This is because of its mass.As I thought before I carried the experiment out the more the mass of the trolley there would be the hard er it would be to stop and therefore the stopping distance will be greater. This was my prediction and that is exactly what happened in the results. I think my prediction was accurate because it is obvious that a heavier object is harder to stop than a lighter object.Evaluating EvidenceI think that most of my method for carrying out the experiment was a good way to do it because the results reflected what was expected by the scientific theories. I think that the way the trolley was released from the same place was good because everytime the trolley was released it was from the same place and therefore the results were made more accurate. I also thought that the position where the brakes were applied was also kept the same everytime by making sure the string, which was acting as the brakes, was always the same length. However I believe that if I were to do the experiment again I would try to use a different way to measure the stopping distances because our eyes are not too accurate to see the exact place where the trolley became stationary and started to go back. I know this because during the experiment I found that it was very hard to be accurate when marking the runway. I am sure that the results I gained however were easily reliable enough to make a conclusion from because they werent many anomalous results and the results showed why what was achieved. We will write a custom essay sample on The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on The problem that is to be investigated is to see if the mass of a trolley going down a ramp affects the stopping distance specifically for you FOR ONLY $16.38 $13.9/page Hire Writer

Current Events- Final Exam essays

Current Events- Final Exam essays For a very long time peace has been seriously disturbed in Kathmandu, Nepal. The Maoist rebels, also know as the Communist Party of Nepal, have been raging against certain affairs for many years now, and the Nepalists are tired of this horrific violence in their streets. The Maoist rebels fight mainly to overthrow Nepals constitutional monarchy. Only in 2001, these violent rebels have already killed 1,300 people... Imagine the situation now. These rebels are not merciful when they pick their preys. Among there history we see quite frequently that they have killed children, teenagers, and elder ones. Also, in about March 20th, 1998, the rebels killed a headmaster in a school, and killed one policeman while they were at it. Maoist rebels also raided a camp of Spanish trekkers in a very small district in north Nepal, and took more than 1,000 dollars in belongings and cash. Only in November 1998, the rebels clashed with seven districts, resulting in nine deaths. At every moment, the rebels intensified their armed campaign against monarchy. In June 1st, there was the famous massacre, in which nine people of the royal family were murdered. So, the Maoist rebels were annoyed because they thought that there werent enough facts to prove Crown Prince Dipendra was guilty. Due to many sadistic behaviors coming from the Maoists, the Nepalist government had to declare a state of emergency recently, in November 26th, which more than 100 were reported dead. So, the country took this drastic decision so that the armed forces could organize themselves to fight against the rebels. ...

Statistical Analysis of Experimental Data Research Paper

Statistical Analysis of Experimental Data - Research Paper Example Analysis of variance (t-tests) can be used to estimate the probability that the underlying phenomena are not the same (Sergey, &Valery, 2012). Research plays a major role in psychology. The results are relayed through statistics. In order to understand how people behave, think and feel, Psychologists depend on research. Research needs to be organized to be understood by psychologists; therefore statistics help organize the information and make the connection between the research and group of people for easier understanding. These professionals use statistical methods to help them make sense of the numbers they collect when conducting research (James, Glen, Robert, Reid, 1998) Psychology and other human sciences employ statistics in helping understand and in the process solve various issues. A common example can be seen with psychologists’ keen interest on how health is affected by stress. A focused question might involve the study of a specific psychological symptom and its im pact on the health of the population. To assess whether the symptom is a good indicator of stress we need to measure the symptom and stress levels in a sample of individuals from the population. It is not immediately clear how we should go about collecting this sample, i.e. how we should design the study (Mandel, 2012). The data sets that psychologists collect will usually consist of one more observations on one or more variables. A common example can be seen with psychologists’ keen interest.

THE LABOR MARKET Essay Example | Topics and Well Written Essays - 1000 words

THE LABOR MARKET - Essay Example No individual firm can influence the wages of labor, and neither can labor unions, whose primary role is to fight for better work conditions and better pay for its members. In the short-run, the curve for labor demand is not flexible and is steep because, in a short time, firms do not get the adequate opportunity to respond to rapid changes in the market (Flinn, 2010). But in the long-run, this curve is flexible and flat since firms can adjust their schedules and processes to meet market changes. In a competitive market, a company will only hire some workers whose marginal benefit in productivity is the same as the marginal cost of labor. The company will only employ the number of employees it will be able to afford at the wage rate set by the market. When a firm uses cheaper substitutes of labor, like machines, the demand for labor will decrease. If these tools are readily available, more efficient than manual labor, and the cost of employing labor substitutes is less than the marginal cost of labor, firms will demand less of labor. Availability of labor alternatives is being enhanced by rapid changes in technology, which produces equipment and machinery that can easily replace human labor. Another factor that would lead to a decrease in the demand for labor is a change in the number of firms in a particular industry. When there are numerous barriers to entry into an industry, the firms there will be few, and demand for labor will not increase when all other factors are held constant. Where there are few or no barriers to entry, an industry becomes very competitive so that firms can easily enter and trade. An increase in firms increases the demand for labor since human capital is needed to run these new companies. If the market price of the product or service a company produces increases, the demand for labor will increase in the short-run and reduce in the long-run. When the prices rise, sales will yield

Critical review and comparison of 2 refereed and related journal Literature

Critical and comparison of 2 refereed and related journal articles in the field of business information management - Literature review Example 1st journal -strengths The paper ‘Customer Perspectives on E-business Value: Case Study on Internet Banking’ written by Rahmath Safeena from its title reflects an important issue in the modern banking sector exhibited by the author. Along with that the author have also used keywords like internet banking, information and communication technology (ICT); perceived usefulness, ease of use, risk, awareness which are appropriate in examining the customer’s perspective (Safeena, 2010, p.5).Before moving into the discussion of the subject matter with in depth analysis, a brief literature review has been provided by the author reflecting various aspects of internet banking (Safeena, 2010, p.6). Identification of the research methodology is a crucial factor in executing research in a rigorous manner on a particular topic and also helps to deliver robust inferences. In this paper the process of the Technology Acceptance Model (TAM) is being used for analyzing the extent of the acceptance of the internet banking system by the customers. The incorporation of the TAM model is a judicious application for reflecting the perspective of the customers related to the internet banking system (Safeena, 2010, pp. 6-7). ... Empirics also reveal that there has been a positive correlation between the above two variables in the study of internet banking (Safeena, 2010, p.7). Applying proper statistical techniques it has been also found that when the online banking is perceived as useful then the customers are prone towards using internet banking. The findings state that usefulness, ease of use and risks are the prime parameters which affect positively the acceptability of the internet banking procedures (Safeena, 2010, pp.8-11). 1st journal -Weaknesses The author have mentioned description of different types of internet banking as well as different security issues in the literature review part but have included all the references which are old in their year of publication which are majorly around the year 1999-2000 and one or two references in the recent years like 2006 (Safeena, 2010, p.7). Again, in the strength section the process of TAM is mentioned which is indeed a good method of executing the resear ch. But still this process suffers from some limitations. The first limitation is attached with the explanatory power of the model. Empirical results also found that the existing studies account for less than 60% of the variance explained especially those used by the professional users (Sun & Zhang, 2006, p.53). The sample used in for the purpose of research is students of business and economics students of an educational campus. But studying only the perspectives of the students will not provide any general conclusions about the overall public perspectives on the internet banking. (Khan & Mahapatra, 2009, p.35). The method of questionnaire has been used in carrying on the research and in the paper it is stated that relevant questions have been

Effects of Hair and Eye Color on Attraction

Effects of Hair and Eye Color on Attraction Cory Jones Abstract Mating preferences come in a wide variety. Many studies have been done focusing on the importance of physical attraction in partners. But little research has been done showing specific features important in mating. This research was conducted to see if lighter hair and eye color was found more attractive to men. 172 men and women participants took part in an online survey based on attractiveness. Each participant was asked to rate ten photographs based on physical attractiveness, sexual attractiveness, and how approachable they found each photo. Five photographs with light hair and eyes were used, along with the same five photographs manipulated to have dark hair and eyes. Results found that the women with lighter hair and eyes were found more attractive. Results also found that women reported pictures more attractive than men did. The Effects of Hair and Eye Color on Attraction We often wonder what attracts people to their potential mates. It has been established after decades of research that men and women differ in what characteristics they find important in a romantic partner. Both men and women have specified they want a mate who is understanding, kind, dependable, sociable, stable and intelligent (Botwin, Buss, Shackelford, 1997). But men and women do not always agree on the same desires for their potential partners. Men have a greater desire for romantic partners who are physically attractive. Women on the other hand have a higher desire for romantic partners who have a good earning potential (Eastwick Finkel, 2008). Numerous studies in psychological research have focused on the importance of physical attractiveness in heterosexual attraction but minimal research has been done on specific physical features preferences (Feinman Gill, 1978). Studies that have looked at physical attraction as a specific preference have found it to be an important trait in dating but also noticed it was usually recorded in broad terms like â€Å"good looking† and not specific features. Sexual selection has also been suggested as an important strength in human evolution. Sexual selection is believed to be significant in attractiveness standards for physical appearance (Hulse, 1967). In 2006, researchers Laeng, Mathisen, and Johnsen tested for assurance of paternity by using close up photographs of adult men and young women with either blue or brown eyes. The photographs were rated on attractiveness by young women and men observers also with blue and brown eyes. They manipulated the eye color in the photographs of each model so that the same face would be shown with either the natural eye color or the opposite eye color. The only preference found was that blue eyed men rated the blue eyed women more attractive that the brown eyed women. Another study they ran included both sexes with different eye colors. They were asked to report the hair and eye color of their romantic partners. Their responses indicated mating by eye and hair color. In these findings blue eyed men were the largest group with partners of the same eye color. The results suggest the occurrence of male adaptation of an extra-pair paternity based on eye color, as a phenotypically based assurance of paternity. This is when the father and child’s phenotypes match. It is also a defense against cuckoldry this is when the phenotypes do not match. In a study by Feinman and Gill (1978), they looked at the popular stereotype in American media and popular culture that proclaims there is a greater desirability of women with light eye color, light hair color, and fair complexion. There were 482 women and 549 men who participated in a questionnaire that indicated their preferences and dislikes for numerous somatic and physiognomic characteristics of the opposite sex. They had a choice to indicate more than one preference of particular characteristic or no preference. They were also asked to indicate specific dislikes for each characteristic, also allowing them to respond multiple or no dislikes. In their findings men indicated a slightly greater preference for lighter women coloration and women indicated a slightly greater preference for darker male coloration. Manipulating eye color is fairly simple compared to alternating skin tone or facial features. Therefore it is surprising that more research has not been conducted on eye color. One explanation for the lack of research is because people classify eye color as a static signal effective in the human interactive situation (Hickson, Powell Sandoz, 1987). Static signals are permanent features of the face like skin color, bone structure, and eye color. There have been a wide range of studies being completed on physical characteristics but a conflicting amount have been conducted on the characteristics of eye and hair color, this helped form this research idea. Men will be more attracted to a woman with lighter hair and eye color. Method Participants 172 participants took part voluntarily in an experiment on attractiveness. All participants were recruited by word of mouth, links posted on professional websites, and social media websites. Participants had to be over the age of 18 to participate in the study. All of the participant’s information was anonymous and cannot be linked back to them in anyway. There was no compensation given for participation. The participants were asked to give their ethnicity, hair color, and eye color. Out of the 107 female participants the majority were Caucasian. Their hair color was reported to be 28 light, 70 dark, and 9 in the other category. Their eye color was reported to be 52 with light, 54 dark, and 1 in the other category. Out of the 65 male participants the majority were Caucasian. Their hair was reported to be 15 light, 49 dark, and 3 in the other category. Their eyes were reported to be 39 with light and 28 dark. Confederates There were five blonde confederates used in this study. They were all 21 years of age. They were recruited by one of the researchers. They were given a media consent form stating that they were aware their pictures were going to be manipulated and used in surveys. They were asked to stand in front of a Crayola white poster board. The confederates wore the same Hanes white t-shirt. The researcher took a picture of them using an IPhone 4s camera. The confederates were all aware they would get no incentives for the use of their picture and were also notified they would not be able to take part in the surveys. The confederates’ hair and eye color were manipulated on the program Pixelmator. Confederates’ original photos were used in the surveys, along with a manipulated one which gave them all darker hair and eye color. Materials There were two surveys created for this study. The only difference between the surveys was the wording of the questions for each gender. Men were asked to rate how they viewed the photo but women were asked how they believed a man would rate the photo. The surveys consisted of an electronic informed consent, which each participant had to agree to before moving on. Both surveys consisted of ten pictures. Each picture had three questions asking the participants to rate the photo on physically attractive, sexually attractive, and approachableness. Two five point rating scales were used in the survey. The physically and sexually attractive questions were based on: not attractive, somewhat attractive, neutral, attractive, and very attractive. The approachable question used: not approachable, somewhat approachable, neutral, approachable, and very approachable. After rating the pictures the participants were asked their ethnicity, age, eye, and hair color. The survey ended with a debriefing form explaining the hypothesis and allowing them our contact information if they had any questions. Procedure After the survey was opened participants had to confirm they were over the age of 18. A consent form also had to be confirmed before allowing the participant to continue. The confederate pictures then appeared in random order to each participant. The same three questions and point scales appeared with each picture, depending on the gender selected. After participants completed the ratings they were asked their ethnicity, age, gender, hair, and eye color. They were then shown the debriefing form before exiting the study. Data was collected online through the website Qualtrics, where the survey was created. The data was then examined by the researchers. Results from any survey completed in less than one minute were deleted. Short response times were deleted because we did not believe the survey could have been completed in under a minute if the participants were actually giving thought to the questions. The results of participants that had taken the opposite gender’s survey were also removed. The researchers then analyzed the remaining data using SPSS statistical software. Results Our hypothesis was supported by our data. There was a main effect of gender and hair color qualified by an interaction between the two. There was a significant difference found between the score for light hair/eyes (M = 3.36, SD = .560) and dark hair/eyes (M = 3.47, SD = .596); t(192) = 4.69, p = .000. Also from using the paired samples t-test we found that our average was based on three specific confederate’s photos. The other two confederates’ pictures were rated similar with both the light and dark manipulation. Using a within subject design we found that surprisingly, females rated the confederates higher than the males did. This between effects of gender is shown in Figure 1. (talk about interaction factor 1* f/sig(F(1,170 ) = 4.42, p ) (add in f terms) Discussion We proposed that males would be more attracted to a female with lighter hair and eye color. The results from our data analyzes supported our prediction. Although, the means were not an enormous difference there is still one present. We were surprised to find that three out of the five confederates had a large influence on the results. The other two confederates had opposite findings and both were rated relatively close in both light and dark photographs. A reason for this may be that participants were judging on static signals instead hair and eye color. Another reason may be that the confederate’s hair did not look natural in the darker color; this may have caused them to rate the original blonde photo higher. Similar research from Feinman et al. 1978 also found that males had a greater preference for lighter female coloration. In a study done by Hickson et al. 1987 they also manipulated photograph’s eye color. They found men rated the confederate as being more physically attractive. We initially thought that men would rate confederates higher as well. Specifically, we surmised that men would find women with lighter hair more attractive than women with darker hair. We only used photographs of blondes and brunettes. In future studies it may be interesting to see use of red and black hair incorporated into the survey. Also, we only used pictures of females. There may be a different outcome if females would have looked at male’s photographs, versus judging how they think a male will view the picture. If future studies had a larger sample size the research may be able to find an effect of participants’ eye color changing their views on confederates. Also, asking participants to record their partner’s hair and eye color if they are in a relationship could also be interesting. Future research needs to be done on what attracts people to their potential mates Limitations We were not able to use brown haired confederates because of issues editing the darker hair. The confederate’s different facial features and smiles could have had an effect on the ratings of the photos. Also, the hair lengths and styles were all different, which could have also changed the way they rated the photographs. Because only one researcher collected photographs only five confederate photos were used. The more photographs used could have made it so participants were not noticing they were seeing the same person. Only having a few confederates also may have created a problem because all confederates were age 21, and we had a wide age range of participants in the study. The small sample size is a huge limitation of this research. References Botwin, M., Buss, D. M., Shackelford, T. K. (1997). Personality and mate preferences: Five  factors in mate selection and marital satisfaction. Journal of Personality, 65, 107-136. Eastwick, P. W., Finkel, E. J. (2008). Sex difference in mate preferences revisited: Do people  know what they initially desire in a romantic partner? Journal of Personality and Social Psychology, 94(2), 245-264. Feinman, S., Gill, G. W. (1978). Sex differences in physical attractiveness preferences. The  Journal of Social Psychology,105, 43-52. Hickson, M., Powell, L., Sandoz, M. L. (1987). The effects of eye color on homophily,  attraction, and credibility. Communication Research Reports, 4(2), 20-23. Hulse, F. S. (1967). Selection for skin color among the Japanese. American Journal of Physical  Anthropology, 27(2), 143-156. Laeng, B., Mathisen, R., Johnsen, J. (2006). Why do blue-eyed men prefer women with the  same eye color? Behavioral Ecology Sociobiology, 61(3), 371-384. Figure 1

We Are Not the Greeks :: Argumentative Persuasive Argument Essays

Shelley once said, "We are all Greeks," a sentiment which was echoed by many of his contemporaries who shared his belief that theirs was an age of achievement comparable to the Greeks.[1] Even beyond that era, people today hold a widespread belief that, although we aren't quite Greek ourselves, we are quite capable of understanding them, and that we have an innate familiarity with the Greek tradition. Our claim of an affinity to Greek literature can be found almost anywhere in modern society; the intelligentsia sprinkle allusions to all things Greek in books and films; the reference to Homer is considered the calling card of academic legitimacy. We are the consumers of a dominant culture that is rife with references to Greek literature. Consumerism does not lead to understanding, however. Anyone could justifiably make the argument that people experience the same struggles and emotions no matter what years bookend their lives and regardless of what gadgets or people fill up the space between them. However, to say that an emotion finds expression equally well on a Greek face or an American face leads to a false sense of our affinity to the Greeks. The point is not whether we share the same range of human experience, but whether we are capable of understanding the same means of expression. Just as much as we accept that Greek is a language foreign to us, we must accept that cultural differences exist that make most of those familiar names and quotes merely accessible parts of a culture that is largely inaccessible to the masses today. The average American is separated from the Greek epic. Although the lowest man is as capable of tragic struggle and feeling as any Greek hero, he is not capable of comprehending the scale and scope of the epic in his own life. We have no way of grasping the gargantuan undertaking of an epic. The epic poem is nonexistent in modern literature, and the number who read epic poems is decreasing rapidly as well. We may read excerpts or quotes about famous works, and from those remarks be able to afford remarks of our own, but this is a form of Cliffs Notes to cultural fluency. The fact that these facile and passing acquaintances serve as the bulk of our culture's understanding reveals the imperfect nature of what we assume we know. We feel qualified to claim a connection with the Greeks, through no proper understanding of our own, but rather through an opinion about an interpretation of a translation.

Management of Hazardous Wastes

Everday we hear more bad news about our planet. Reports tell us that wildlife and forests are disappearing at an alarming rate. Newscasts give the latest word on how quickly earth is losing its protective shirld and warming up. Newspapers lament the pollution of our air, water, and soil. What can we do in the face of such widespread gloom? In fact, we do not have to feel helpless. We can each learn practical ways to better our environment. For example, saving and recycling newspapers has a number of positive results. First, recycling newspaper saves trees. The average American consumes about 120 pounds of newsprint a year-enough to use up one tree. That means close to 250 million trees each year are destroyed for paper in this country alone. If we recycled only one-tenth of our newpaper, we would save 25 million trees a year. Second, making new paper from old paper uses up much less energy than making paper from trees. Finally, this process also reduces the air pollution of paper-making by 95 percent. Another earth saving habit is â€Å"precycling† waste. This means buying food and other products packaged only in materials that will decay naturally or that can be recycled. The idea is to prevent unrecyclable materials from even entering the home. For instance, 60 of the 190 pounds of plastic-especially styrofoam-each American uses a year are thrown out as soon as packages are opened. Be kind to your planet by buying eggs, fast food, and other products in cardboard instead of styrofoam cartons. Buy beverages in glass or aluminum containers instead of plastic ones. Buy in bulk to reduce the amount of packaging, you will save money too. Finally, when you can, buy products whose packing shows the â€Å"recycled† logo. Materials that have been recycled once can be recycled again. Wise management of hazardous household wastes is yet another way of taking action for the planet. Hazardous wastes include paint, old car batteries, oven and drain cleaners, mothballs, floor and furniture polish, pesticides, and even toilet bowl cleaners. First of all, we should store hazardous materials properly by keeping them in their original containers, making sure they are clearly labeled, and keeping them in a cool, dry place that is out of the reach of children. Second, we can reduce our use of these products by buying only what we need and by sharing anything that might be left over. Third, we should take great care in disposing of hazardous wastes. Certain wastes such as old car batteries and motor oil can be refined and reused, and in some cities can be turned in for special burning. However, local authorities have to be contacted because disposal practices vary so much from place to place. These personal actions may not seem important. At the very least, though, they can relieve some of the helplessness we all feel when faced with the threats of global disaster. If carried out on a larger scale by millions of individuals, they could greatly improve our environment and lives.

Free Essays on Argument Against Euthanasia

Regardless of age, race, sex or religion, divorce has devastating, often long-term, consequences. The immediate effects of divorce, such as hurt, anger and confusion, are evident in both children and adults. The longer-term effects are not so easy to pin point. Adults are usually able to articulate their emotions and verbalize their distress, anger, pain and confusion to help themselves through this period of transition in their lives. As well, adults have the means and ability to seek outside professional assistance independently. Children on the other hand, are not as likely to have the ability to identify the source or kind of turmoil they are experiencing. Therefore, it is difficult for us, as adults, to be fully aware of the consequences of divorce on our children. It is estimated that nearly one half of children born today will spend time in a single parent household watching mommy go down on her boyfriends. Although some of these children are born into single parent families, many more are the product of divorce, and are made to endure the conflict and emotional upset that divorce brings about. At this time, when children require stability and emotional support, the pressures of growing up are often compounded by the stress of divorce and family breakdown. When divorce involves children many questions must be answered. Questions such as: With whom will the children live? How often will the non-custodial parent have access, and under what circumstances? Although simple to ask, these questions are never easy to answer, and children frequently become pawns in a game of revenge. Today, mothers make up the majority of parents who are awarded custody, with fathers making up only 13%. However, this was not always the case. Prior to the 19th century, fathers, under English common law followed in North America , received automatic custody of their children when the marriage dissolved. During the 19th century gradual change... Free Essays on Argument Against Euthanasia Free Essays on Argument Against Euthanasia Regardless of age, race, sex or religion, divorce has devastating, often long-term, consequences. The immediate effects of divorce, such as hurt, anger and confusion, are evident in both children and adults. The longer-term effects are not so easy to pin point. Adults are usually able to articulate their emotions and verbalize their distress, anger, pain and confusion to help themselves through this period of transition in their lives. As well, adults have the means and ability to seek outside professional assistance independently. Children on the other hand, are not as likely to have the ability to identify the source or kind of turmoil they are experiencing. Therefore, it is difficult for us, as adults, to be fully aware of the consequences of divorce on our children. It is estimated that nearly one half of children born today will spend time in a single parent household watching mommy go down on her boyfriends. Although some of these children are born into single parent families, many more are the product of divorce, and are made to endure the conflict and emotional upset that divorce brings about. At this time, when children require stability and emotional support, the pressures of growing up are often compounded by the stress of divorce and family breakdown. When divorce involves children many questions must be answered. Questions such as: With whom will the children live? How often will the non-custodial parent have access, and under what circumstances? Although simple to ask, these questions are never easy to answer, and children frequently become pawns in a game of revenge. Today, mothers make up the majority of parents who are awarded custody, with fathers making up only 13%. However, this was not always the case. Prior to the 19th century, fathers, under English common law followed in North America , received automatic custody of their children when the marriage dissolved. During the 19th century gradual change...

Mansfield, TX School Desegregation Incident essays

Mansfield, TX School Desegregation Incident essays During the fifteen to twenty years after World War II, America was experiencing numerous changes, not only politically but socially also. After World War II most Americans felt a sense of pride, due to the victory over the Japanese and Nazi powers. Although most people felt this pride, some people in the African American community did not experience this joy because of the racial tension that existed in the South. Racial segregation was at one of its worst points in history. Separate but equal, was the law of the land, but clearly the equal part was left out of the equation. Everything was split up into two categories, whites and coloreds, everything from bathrooms to restaurants. People grew up with no idea how a person of another race survived or even conducted themselves on a daily basis. Because of this isolation, black children grew up with social issues that affect some still today. The National Association for the Advancement of Colored People (NAACP) began to challenge segregation in graduate and secondary schools in the mid-1930s. Early successes in the Supreme Court barred law schools from denying applicants on the basis of race alone. Application of these cases to public schools finally happened in Brown v. Board of Education, in 1954. In Brown I, after two rounds of oral arguments, the Supreme Court held that racial segregation in public schools violated the Equal Protection Clause of the 14th Amendment. A third round of arguments were held in 1955, concerning remedies, and in Brown II, the Court ordered that desegregation should occur with all deliberate speed. Unfortunately, the vagueness of this phrase, combined with the unwillingness of many states to desegregate, meant that many states were able to postpone any desegregation. Anger over these delays and a growing frustration over the continued disenfranchisement of African-Americans helped launch th e Civil Rights Movement. Shortly following the Brown...

Choose one of the career in travel industry as topic Research Paper

Choose one of the career in travel industry as topic - Research Paper Example They are even involved in the act of identifying hotels, resting areas, travelling needs in compliance with the budget that has been provided by the customers. They may even indulge in developing a budget for the travellers in accordance to the travelling elements they have selected. They may provide travellers with information on the cost the travellers will have to pay for individual elements including hotels and transportation or they may develop an entire package that comprises of all the elements (Burns 3). They may work as agents to travellers and book cars, entertainment events as well as hotels on the behalf of the travellers. They even arrange proper documentation that travellers will need while travelling. They even provide insight regarding the laws and regulations as well as cultures of the destinations where travellers have planned to visit. According to the Bureau of Labor Statistics of the United States the average salary that a travel agent earns on yearly basis is around $34,000, while the lowest they may earn on yearly basis is $19,000 or more and the highest they may earn for their hard works is $57,400 (Bls.gov 1). This salary range even includes the commissions that travel agents earn as a major portion of their salary is dependent on the commissions they may charge from tourists as well as the companies whose products they are selling. Some of them even work on hourly wages and may earn an average amount of more than $16 on hourly basis. The maximum level of education that travel agents may need is a diploma of the level of high school, but certain employers prefer to hire those individuals who have attained extra training. Travelling agents can obtain trainings from educational institutes that offer vocational training and they may even opt for courses that are provided while travelling agents are on the job.

New Zealand Film History Essay Example | Topics and Well Written Essays - 2000 words

New Zealand Film History - Essay Example New Zealand is a cultural melting-pot. Its national identity didn't come ready-made to be served in a silver platter but it is a fusion of many cultures that are varied and oftentimes contradictory to each other. All of this hodge-podge of cultures that was the outcome of intermingling and sometimes violent embroilment of diverse heritages for hundreds of years produced a unique national cultural identity that is one of its kind and which is so "quite unlike anywhere else in the world" (New Zealand Facts). This can never be truly understood and Ruth Harley's claim that "our culture is the well from which filmmakers draw their inspiration" will never be fathomed if we do not dissect the various cultures that make up this multi-cultural nation that is called New Zealand. And this has to start by tracing New Zealand's history and describing the cultures that these various people possess. Oral tradition of the Maoris claimed that a dark-skinned people called Morioris or moa hunters were the original inhabitants of New Zealand. Legend has it that these pre-Maori Polynesians (Australia, New Zealand Encyclopedia 1975, p.1013) came to the eastern North Island to hunt for moas, which were extinct wingless birds standing about 12 feet tall. Various literature failed to give us their kind of culture but only that they were assimilated into the Maori society. A Maori navigator named Kupe was the known discoverer of the land he called Aotearoa or Long White Cloud at about 950AD. Thereafter the Maoris came to settle the land National Identity 2 at about 1350 AD. They came in 8 outrigger canoes from either Society Islands or Tahiti and with their advent, they brought with them their own distinct culture. Although described as cannibalistic warriors, these tough, resourceful and handsome people were and are closely-knit who are "bound in families and subtribal communities" and have a deep "sense of closeness and homeyness" (Schafer 1998, p.11). The Maori society was already highly evolved at that time and was characterised by division of social classes i.e. chieftains, commoners and slaves. Yet despite this, they had remained family-oriented rather than individualistic (MacInnes 1964, p.109). They are also highly eloquent and witty with a predilection for debating. Maoris are also gifted with the talent for wood carving which is distinguished by intricate convolutions and feature pseudo-Oriental masks that are probably the finest in the world. What makes Maori culture so unique is that they always strive to achieve physical perfection through dancing and their