Unit 4: Learning
AP Psychology: 61 practice questions with detailed explanations.
Unit Study Guide
Executive Summary
Unit 4 covers how experience changes behavior: classical and operant conditioning plus observational learning.
Classical conditioning (Pavlov)
A neutral stimulus (bell) paired with an unconditioned stimulus (food) becomes a conditioned stimulus that triggers a conditioned response (salivation). Key processes: acquisition, extinction, spontaneous recovery, generalization, and discrimination. Watson's Little Albert study demonstrated conditioned fear.
Operant conditioning (Skinner)
Behavior is shaped by consequences. Reinforcement increases behavior; punishment decreases it. Positive = adding a stimulus; negative = removing one. Schedules matter: fixed/variable and ratio/interval — variable-ratio (slot machines) produces the highest, most persistent responding. Shaping reinforces successive approximations.
Social and cognitive learning
Bandura's Bobo doll experiment showed children imitate observed aggression — observational learning. Latent learning (Tolman's cognitive maps) shows learning can occur without reinforcement. Insight learning solves problems suddenly.
Exam traps
Negative reinforcement is not punishment — it REMOVES something unpleasant to strengthen behavior. Classical conditioning links stimuli; operant conditioning links behavior and consequences. Extinction is not forgetting — it is new learning that suppresses the old association.