Learning Week 8 notes
Learning Week 8 notes Psyc 4450
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This 2 page Class Notes was uploaded by Elizabeth Heitmann on Friday April 15, 2016. The Class Notes belongs to Psyc 4450 at Rensselaer Polytechnic Institute taught by Christopher L. Hubbell in Winter 2016. Since its upload, it has received 16 views. For similar materials see Learning in Psychlogy at Rensselaer Polytechnic Institute.
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Date Created: 04/15/16
Week of April 15 Associative Learning: Theoretical Considerations I. Is Reinforcement Automatic? a. Is Contingency Sufficient? i. Superstition 1. Pigeons peck at a key in a certain way a. Is established after first reinforcement b. Always peck the same way 2. Same way baseball players have routines before they go to bat a. Superstition ii. Contingency vs. contiguity 1. Thomas (1981) a. Rats given food pellet every 20 seconds b. Could also bar press for a food pellet, but they would only be given food pellet every 40 seconds c. P(Food|Response)<P(Food|no response) d. Still responded at high rates iii. Implications for human behavior 1. Wasserman and Neunaber (1986) a. College students b. Earn points every time a light flashed in a room c. Pressing a telegraph key may increase the number of light flashes, but it might not d. Controllight flashed at a constant rate regardless of response e. Experimentalused the same procedure as Thomas i. Light flashed every 20 seconds, but pressing key meant light only flashed every 40 seconds ii. Pressed key twice as much as control f. Mislead by response and reinforcer contiguity II. Is Reinforcement Necessary for Learning? a. Learning without reinforcement i. Latent Learning 1. Tolman and Honzik (1930) a. Rats navigate a maze to a certain point b. R groupreinforcement a point c. N groupno reinforcement at point d. R group shows fewer mistakes on each trial e. N group shows no improvement f. NR groupno reinforcement on first 10 trials, switch and get reinforcement on next 10 trials g. Predictions i. Reinforcement Analysis: gradual learning ii. Cognitive Analysis: immediate improvement h. NR group shows no improvement in the first 10 trials, but on trial 11 when reinforcer is presented, there is immediate improvement in the next trial
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