Dr Pavio Wants to Examine the Effects of Antioxidants on Memory

Multiple Choice

Dr. Pavio wants to examine the effects of antioxidants on memory. She decides to run a repeated measures design to minimize the number of participants required. What does Dr. Pavio need to do when designing this study?

A) She must include a placebo control.
B) She needs to counterbalance.
C) She should use a meta-analysis.
D) She should use representative sampling.
E) She must avoid informed consent.