100 Points !!! Prompt
A psychology graduate student conducted a study at the entrance to a football game at the university. The entrance was specifically for students who made the Dean's List for academic achievement during the previous semester. As they arrived, the graduate student asked half of the students to record their attendance on an attendance sheet. The remaining half were allowed to enter the game without recording their attendance. The graduate student told every student to take one soda and one hamburger from a concessions table sponsored by the Dean's Office. She then returned to the sign-in table out of sight of the concessions. This gave the students the opportunity to take additional food. The graduate student measured the percentage of students who took additional free food. Her hypothesis was that students would take more food when they were not asked to sign in. The results are shown in the graph below; assume all differences are significant.

Part A

Identify each of the following in this study:

Confounding variable
Independent variable
Explain why operational definitions are important when conducting research.
Provide an operational definition of the dependent variable.

Part B

Explain how the data support or do not support the hypothesis.
Explain why the findings cannot be generalized to all students.
Explain why the study is not a naturalistic observation

Part A:

The cofounding variable is a factor that could cause a result on the experiment. This would be the people taking extra food.

Independent variable would be being asked to sign in or not and take free food, because independent variable is a variable that is changed or manipulated and in this case the people were split in half and the hypothesis is that the people who didn't sign in would take more food.

Operational definitions are important when conducting research because it defines all the variables in the experiment, so it can be replicated. The operational def for the dependent variable would be "Doing the right thing even though you aren't being watched"

Part B:

The data does not support the hypothesis because even the people who signed in could've taken extra food when the dean wasn't looking. The findings cannot be generalized to all students because some students could have been taught better and can differentiate between right and wrong. So the people who were not signed in could've just taken one burger and drink, and the people who were signed in might feel obligated to take more than one burger because they had signed in and didn't just come without signing in.

The study is not a naturalistic observation because the observer did not look at the people who took the food and which side took more food.

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