Schactr and Gross (1968) gathered data from a group of 60 male students for abou

Question

Schactr and Gross (1968) gathered data from a group of 60 male students for about one hour in the afternoon. At the end of this period of time, a clock on the wall was correct (5:30 PM) for 20 participants, slow (5:00 PM) for 20 others, and fast (6:00 PM) for 20 more. The actual time for all groups was 5:30, the usual dinnertime for these students. While participants filled out a final questionnaire, the experimenters provided Wheat Thins for the students to eat. The weight of the crackers each student consumed was measured. The means were 5:00 group, 20 grams; 5:30 group, 30 grams; 6:00 group, 40 grams. Identify each of the following for this study.

a. independent variable

b. any inferences warranted by this study ( simply by eyeballing the results)

Explanation / Answer

a.The independent variable for this research study is the weight of the crackers each student consumed.

b.The means gathered can be used to study whether there is any difference among the 3 groups.

ANOVA test shuld be used.

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