PSYCO381 Chapter Notes - Chapter 5: Learned Helplessness, Controllability
26 Apr 2014
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Free operant chamber: a method of instrumental conditioning that permits repeated performance of the instrumental response without intervention by the experimenter. Finding: the vocalization is now becoming more specific thus they are assocting voice with mom attention: cc increased the rate of syllables production during sr compared to bl yc did not (a, cc increased the number of canonical syllables from bl to ex yc group did not (b, cc produced more fully voiced syllables during sr and ex relative to bl yc did not (c) Thus, only novel patterns reinforced for one group ( thus encouraging variability) vs. control=trained the same way but no requirement of different pattern of response: finding and graph: experiment: in variable group, the percentage of different response sequences (y) increase from the first 5 trial to the last trial (increase variability=expected). Instrumental responses continued: relevance or belongingness:: an organism"s evolutionary history makes certain responses fit/belong with certain reinforcers.
