Na study of factors that might affect memory, research participants were assigned to drink either an alcoholic or a nonalcoholic beverage prior to completing a memory test. those who drank the alcoholic beverage were assigned to the group.

An experimental group

Explanation:

An experimental group is a group in which participants receive the variable that is being tested. They all receive one variable at a time. The result that are read from the participants in the experiment group are compared to a control group which doesn't receive any variable

Experimental group is the one which gives answers to a particular research.

b hope this