Avoidance Learning
Shuttle-Box Studies
2-Factor Theory
Calculating Behavioural Suppression
A/(A+B)
10/(10+10)
10/(20)
SR =0.5
Problems with 2-Factor Theory
-This eliminates the classical conditioning
Sidman Avoidance Theory
-Rats postpone shock by pressing bar repeatedly
What is the best 1-factor theory?
-Herrnstein & Hineline experiment
1-Factor vs 2-Factor
Learned Helplessness
Problems with Learnt Helplessness experiment
- LH occurred to the lack of contingency
Why LH occurs?
- Cognitive deficit: No response changes anything
Human LH
- However tend to respond in less-accurate and slower ways
LH Theory of of Depression
Problems with LH
Failure vs Non-contingency
- Non-contingency: Loss of control
Reformulated Theory
Healthy/Unhealthy Attributional Styles
- Unhealthy: Are doubtful of own abilities, and expect failure
Learned Optimism
-Learning a positive attirubutional style