Guillermo Conducts an Experiment with Two Conditions Using a Within-Subjects

Multiple Choice

Guillermo conducts an experiment with two conditions using a within-subjects design. If he is counterbalancing, what does this mean?

A) Some participants are presented with multiple stimuli under Condition A; others are presented with multiple stimuli under Condition B.
B) Participants in one condition receive the treatment; participants in the other condition receive a placebo.
C) Half the participants are in Condition A followed by Condition B; the rest are in Condition B followed by Condition A.
D) There is an equal number of men and women in Condition A and Condition B.