Which of the following is an example of a bilateral aid agency?

The use of a within-subjects design in a factorial experiment can do all of the following EXCEPT

A) provide greater sensitivity to the effects of the independent variable. B) assure equivalence of groups at the start of the experiment, because the participants in each condition are identical. C) require fewer participants and, as a result, be more efficient. D) reduce confounding due to sequence effects.

In a repeated measures ANOVA, participants are tested in

A) one condition only. B) each condition. C) independent groups. D) randomly assigned independent groups.