A psychologist wanted to see if people are more prone to seek the company of others when anxious than when calm. he randomly assigned half of his subjects to an anxiety group and then told then that as part of the study, they would receive electric shocks. he did not frighten the other group of subjects. finally, he recorded how many subjects in each group chose to be "tested" in a group setting and how many chose to be "tested" alone. in this study, the group that was not frightened would be called the ______________ group. experimental control placebo graded test