Question: Dr. B is doing an experiment to assess whether those who do and do not receivesnacksat a presentation differ in their rating of how good

Dr. B is doing an experiment to assess whether those who do and do not receivesnacksat a presentation differ in their rating of how good the presentation was.He randomly assigns participants to either receive snacks or no snacks. After the presentation he has individuals complete a survey wherein they rate the presentation.

What is the independent variable in this study?

Group of answer choices

a) time of day

b) gender

c) rating of presentation

d) snacks

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