Share your response to the critical thinking questions for this learning unit:
A. Joe has an experiment with three different conditions (0mg, 50mg, & 100mg of caffeine). He is measuring how long a person then stays up. Why is a One-Way ANOVA preferable over doing three independent samples t tests? Your answer should clearly address alpha level.
B. What determines whether we analyze our data with a One-Way ANOVA or a Chi-Square?
C. What must be the p-value, for us to reject the null hypothesis?
D. What does the p-value measure?
E. Let’s say that the SPSS output says, “Sig 2-tailed = .78” (and we are doing a two-tailed test). If we decided we were going to reject the null anyway, what would our alpha level equal (i.e., risk that we are making a Type I Error)? Would that be good?
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