What type of physician specializes in delivering babies?

Sorce and colleagues (1985) used the visual cliff procedure to show that 12-month-olds can

A) perceive differences in depth in an unfamiliar setting. B) only discriminate among adults' facial expressions. C) understand the meaning of different adult facial expressions. D) only imitate adults' facial expressions.

A team of mental health professionals is given the responsibility and challenge of developing programs to prevent conduct disorder. Which of the following will be on their list to incorporate into their programs?

a) relaxation training b) client-centered therapy c) increasing positive social support d) increasing the availability of medications