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Dr Jones Conducts a Randomized Two-Group Experiment on the Effect

Question 107

Multiple Choice

Dr. Jones conducts a randomized two-group experiment on the effect of a drug on learning. She finds that subjects who receive the drug score more poorly on a memory test than those who do not receive the drug. Which of the following would Dr. Jones be justified in concluding?


A) There is a linear relationship between the independent variable and the dependent variable.
B) There is a curvilinear relationship between the independent variable and the dependent variable.
C) There is no relationship between the independent variable and the dependent variable.
D) It would be dangerous to speculate on the nature of the function relating the independent and dependent variables.

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