The ________ sits in the neck region and releases hormones that control the rate of metabolism.

If a sea slug on repeated occasions reveives an electric shock just after being squirted with water, its protective withdrawl response to a squirt of water grows stronger. This best illustrates

A) spontaneous recovery B) associative learning C) observational learning D) operant conditioning

Scores of studies have demonstrated that subliminal self-help tapes are _____

A) very effective B) moderately effective C) slightly effective D) ineffective