Casino slots are designed so that people keep playing - often to their own financial detriment - because there is always the possibility that they may win big on the next attempt. Which reinforcement schedule are the game designers employing?

Mr. and Mrs. Manet's children have advanced oral narrative skills. The Manets probably

A) avoid using recasts and expansions with their children. B) eat meals together with their children. C) engage in authoritarian child rearing. D) communicate in English and a nonnative language.

A key function of the pons involves

A) the expression of emotion. B) motor coordination. C) relaying taste information to the thalamus. D) the ability to read and write. E) control of sleep and arousal.