Skinner designed a soundproof apparatus, often equipped with a lever or bar, with which he conducted his experiments in operant conditioning. This has been called a _____

Unconditional positive regard, genuineness, and empathy for their clients characterize the approach of those who practice ________ therapy

a. rational-emotive b. client-centered c. social-learning d. behavior

According to the article At a Loss for Words, about a teenager who was profoundly deaf in early life, the best evidence we have for sensitive periods in development suggests that:

(a) early child abuse leads to disordered personalities later (b) parents who love their children will have children who grow up to be loving parents (c) hearing music early in life makes children musical (d) experience with language early in life is important