Dr. Maloff is studying the effects of ethnic bias on the school performance of immigrant children. Most likely, Dr. Maloff is a __________ psychologist

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.

Roger has a vacant stare. He answers questions in an apathetic, monotonous voice, and shows no emotion, even when discussing events such as his mother's death. Roger's affect would be described as

a) depressed. b) inappropriate. c) blasé. d) flat.