Problems with operant conditioning
Supernanny to the Rescue
Monday: No classes; Thursday: TEST (No
FR); Friday: End of 9 Weeks
Grades will be updated throughout the
Consider a time in your life when
“rewards” worked. And didn’t work.
Consider a time when punishment
worked. And didn’t work.
Rewards can backfire
The Overjustification Effect
• Extrinsic reinforcers—motivation that comes
from an outside source
• Intrinsic reinforcers—motivation that is driven by
an interest or enjoyment in the task itself
EXTERNAL REWARD WEAKENS THE
STRONG INTRINSIC MOTIVATION AND
CAN LEAD TO LOWER, RATHER THAN
HIGHER, EFFORT AND ATTAINMENT
1. It can teach the “punishee” how to avoid being
2. It is often temporary and is dependent on the
presence of the punisher.
3. The recipient often responds with anxiety, fear,
4. It often conveys little information.
5. It may actually reinforce behavior.
6. It is often administered mindlessly.
7. Misbehavior is hard to punish immediately.
1. Should not involve physical abuse;
negative punishment is often more
2. Should be accompanied by instruction
3. Should reinforce the desired behavior