Primary reinforcers are more ____ than secondary reinforcers.

What happens when the stomach walls distend to accommodate food?

What do fixed interval, fixed ratio, variable interval, and fixed interval schedules of reinforcement all have in common?

Which method will make punishment more effective?

Classical conditioning is generally strongest when the neutral stimulus is presented ____ the unconditioned stimulus by a few ____.

Two very important factors that influence the strength of classical conditioning are ____.

In a continuous reinforcement schedule, ____.

Anorexia is more common in cultures where ____.

Taste preferences are influenced by ______.

When a drug’s margin of safety is very narrow, ____.