In an Experiment,one Group of Children Is Given a Drink

Multiple Choice

In an experiment,one group of children is given a drink each day with a special vitamin supplement.A second group of children is given the same drink but without the vitamin.Later,all children are given an IQ test to see if the vitamin had an effect on intelligence.In this experiment,the children's scores on the IQ test would be the

A) independent variable.
B) cross-sequential variable.
C) dependent variable.
D) control variable.