Multiple Choice
A psychologist wants to know if eating a large breakfast improves IQ test scores in a sample of thirty 10-year-olds.The psychologist divides the subjects into three groups of ten and has one group eat a small breakfast,one group eat a medium-sized breakfast,and one group eat a large breakfast.In this study,the independent variable is:
A) the IQ test
B) the scores on the IQ test
C) the size of the breakfast
D) the number of subjects in each group
Correct Answer:
Verified
Correct Answer:
Verified
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