Scientific Questionnaire

By: Jihae Choi and Ayush Singh

Question

Does gender affect how many times a person "eats out" on a weekly basis?

Hypothesis

The male subjects will "eat out" more than the female subjects.

Type of Invenstigation

This investigation was a comparative investigation.

Parts of the Experiment

  1. Dependent Variable: the number of meals "eaten out" on a weekly basis
  2. Independent Variable: gender of the participants
  3. Control: None (Comparative Investigation)
  4. Experimental Group: Both the male and female subject groups
  5. Factors held constant: The subjects were all from Coppell High School, and they were all teenagers that could not drive.

Data Table

Big image

Bar Graphs

Big image
Big image

Analysis

In our experiment, the data showed that gender does not have an effect on the number of meals "eaten out" on a weekly basis. After surveying 20 individuals from both genders, the average number of meals "eaten out" for males was 3.55, 1 more than the average number of meals "eaten out" for females, 2.55. After calculating standard error of the mean (SEM) and drawing error bars of 2SEM, the error bars overlapped, indicating that gender did not cause a significant difference on the number of meals "eaten out" on a weekly basis. Men need a larger caloric intake than women do because the number of calories a person should consume depends on their body size and exercise level (www.health.harvard.edu). Additionally, muscles burn more calories than fat, so people with more muscle will need a larger caloric intake. Since the average woman has a smaller body size and less muscle mass than the average man, men should consume substantially more calories than women (www.healthyeating.sfgate.com). However, our data showed otherwise, likely because our questionnaire did not account for monetary concerns. While the average male may consume more than a female, this does not necessarily mean that men will "eat out" more than women will.

Conclusion

Prior to examining the data from the questionnaire, it was predicted that men would "eat out" more on a weekly basis than women would. However, this hypothesis was disproved by our experiment. The purpose of the experiment was achieved to see whether or not gender had an effect on the number of meals "eaten out" per week. According to the results of the experiment, gender does not have an effect on the number of meals "eaten out" per week.

Sources of Inaccuracies/Errors

One possible source of inaccuracy might be interviewing subjects of different clubs and activities. For example, a subject in band might have to "eat out" more than a subject that does not do any clubs or activities. In order to get more accurate results, it would be better to interview subjects from the same club. Monetary concerns of the subjects were also possible sources of inaccurate data because subjects who have more money are more likely to spend money on fast food and restaurants.

Bibliography

Dlugos, Jennifer. "How Does Your Gender Affect Nutrition?" SF Gate. Demand Media, n.d. Web. 04 Sept. 2015. <http://healthyeating.sfgate.com/gender-affect-nutrition-11267.html>.

Fries Burger Fries Fast Food Clip Art. Digital image. Clker.com. N.p., n.d. Web. 3 Sept. 2015. <http://www.clker.com/clipart-2014.html>.

"Good Nutrition: Should Guidelines Differ for Men and Women? - Harvard Health." Harvard Health. Harvard Medical School, 01 Sept. 2005. Web. 04 Sept. 2015. <http://www.health.harvard.edu/family_health_guide/good-nutrition-should-guidelines-differ-for-men-and-women>.

Martin, Jennifer. Designing a Scientific Questionnaire. N.p.: n.p., n.d. PDF.

Martin, Jennifer. Designing a Scientific Questionnaire Online Poster. N.p.: n.p., n.d. PDF.

Martin, Jennifer. Lab Report Format. N.p.: n.p., n.d. PDF.

Scales Clipart. Digital image. Uua.org. N.p., n.d. Web. 3 Sept. 2015. <http://www.uua.org/sites/live-new.uua.org/files/images/programs/tapestryfaith/grace/rtf/jessicas_scales.jpg>.

Scientist Clipart. Digital image. Clipart Panda. N.p., n.d. Web. 3 Sept. 2015. <http://www.clipartpanda.com/clipart_images/scientist-clipart-41119412>.

Symbol Male and Female Clipart. Digital image. Clker.com. N.p., n.d. Web. 3 Sept. 2015. <http://www.clker.com/clipart-symbol-male-and-female.html>.

Bibliography (Hanging Indent)

Big image