Researchers hypothesized that young adults would report a reduction in consumpti

Question

Researchers hypothesized that young adults would report a reduction in consumption of doughnuts after attending a psycho-educational intervention during which there is a discussion of a suspected link between the use of sugar, stress, and depression. Researchers selected a sample of 30 students and measured the number of doughnuts they ate in the week before the class and the number of doughnuts the same group ate in the week after the class.

Which of the following is not true of the IV in this study?

a.between subjects  

b.within subjects  

c. subjects act as their own control  

d.subjects appear in every level of the IV

Explanation / Answer

It is a matched pair example. So option D is correct.

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