An important difference between adolescents and adults who start drinking alcohol is that they experience the consequences differently: adolescents are more sensitive to the social facilitation effects and less sensitive to the aversive effects.

When neither the experimenter nor the participant have any knowledge of the experimental condition to which the participant has been assigned, we say that this is a _____ study

Fill in the blank with correct word

Today, about what percent of children born in the United States were born to unmarried mothers?

a. 9% b. 16% c. 24% d. 40%