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.

Question

Quizplus · Accepted Answer

Counterbalancing is necessary in a repeated measures design to control for order effects, ensuring that the sequence in which treatments are administered does not bias the results.

Dr Pavio Wants to Examine the Effects of Antioxidants on Memory