Two boys, ages three and four, are playing with cars, and both boys want the bigger red car. As one boy reaches for the red car, the other strikes him, knocking it out of his hand and taking the red car for himself

Psychologist David McClelland's acquired-needs theory splits the needs of employees into three categories:

a. Achievement b. Affiliation c. Power d. All of the above

Adolescents are less likely to use substances if they

A) are impulsive. B) describe themselves as being religious. C) experience a high level of stress. D) have difficulty organizing and planning.