Research Has Shown That Social Exclusion Activates the Same Brain

Multiple Choice

Research has shown that social exclusion activates the same brain regions as physical pain. A researcher wants to test the hypothesis that over-the-counter pain relievers will also reduce the pain of social exclusion. She gives half of her participants ibuprofen and half a placebo, then has them play a game in which other players ignore them. Participants who take the ibuprofen are the _______ and participants who take the placebo are the _______.

A) experimental group; control group
B) randomly assigned group; blind group
C) representative sample; random sample
D) independent sample; dependent sample