Health psychology studies how biological, psychological, and social factors influence health and illness.

Getting a paycheck every two weeks.

An unconditioned stimulus naturally produces a response without prior learning.

Bob does dishes to stop nagging. This is:

After repeated drug injections that increase heart rate, simply being in the small exam room causes increased heart rate. The exam room is the:

After repeated drug injections that increase heart rate, simply being in the small exam room causes increased heart rate. The exam room is the:

Habituation occurs when a person continues to respond strongly to repeated stimuli.

Waiting for a text message from a friend.

Parents remove chores after good behavior.

Teacher assigns extra homework for talking.