In a study of effects of alcohol on driving ability, the control group should be given:

A. a high dosage of alcohol
B. one-half the dosage given the experimental group
C. a driving test before and after drinking alcohol
D. no alcohol at all

Consider the following statements: Moral understanding in a child of 5 years of age is limited because of their:

A. cognitive immaturity
B. belief in immanent justice
C. belief in absolution of moral perspective
D. All of the above