The frequency of a sound wave determines its:

Of the groups of girls listed below, which has been found to base their self-esteem primarily on their close relationships?

A) Chinese Americans B) African Americans C) Caucasian Americans D) Puerto Rican Americans

The most effective means of reducing a child's pain during dental work is likely to be

a. teaching techniques of sensory assimilation. b. assuring the child that the dental work will not be painful. c. using distraction or counterirritation. d. teaching the child to focus on the perceived source of the pain.