Rashaun watches his toy disappear behind the couch and immediately looks away toward another toy. According to Piaget, Rashaun is most likely ____year(s) of age and in the ____ stage.?

Relative to laboratory-based experiments, field experiments tend to be high in

a. external validity. b. internal validity. c. p-value. d. reliability.

Which of the following approaches would be most likely to predict that as societies give more equal rights and opportunities to women, personality differences between men and women would become smaller?

A) Biological perspective B) Trait and skill perspective C) Psychoanalytic perspective D) Evolutionary perspective E) Humanistic perspective