EAB3002 Exam 4 Study Guide

EAB3002 Exam 4 Study Guide - Exam 4 Exam Review Schedule of...

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Exam 4 Exam Review Schedule of Reinforcement A prescription that states how and when discriminative stimuli and behavioral consequences will be presented Partial Reinforcement Effect Animals and people are much more persistent on a task when they have been reinforced on a schedule that only pays off occasionally. This persistence is especially pronounced during extinction When organisms are reinforced after a fixed # of responses… A pause-and-run pattern of behavior develops. Following each reinforcement, there is a pause in responding, then another quick burst of response. Progressive Ratio Schedule The # of responses for reinforcement increases (or decreases) after each reinforcement Azrin (person) Found that when every response on a fixed-ratio schedule of reinforcement was punished, the pause length after reinforcement increased. (Punishment reduces the tendency to begin responding.) When behavior is reinforced after a fixed amount of TIME… The pattern of behavior remains the same and the rate of response declines Mechner Notation Represents the way that schedules of reinforcement are arranged; Describes what the experimenter does, not the behavior of the organisms Continuous Reinforcement Probably the simplest schedule of reinforcement; Every operant required by the contingencies is reinforced Operant level The rate of response before behavior is reinforced Behavior Momentum Behavior persisting in the presence of a particular stimulus despite disruptive factors. The response rate declines more slowly relative to its baseline level, in the presence of a signal for high-density reinforcement than in the presence of a signal for low-density reinforcement Dube and McIlvane Found that the task with the higher reinforcement rate 1
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was the most resistant to change when prefeeding, free snacks, or alternative activities were provided Topography and Reinforcement Schedules… On continuous reinforcement schedules, the topography of response becomes stereotyped, or highly regular. When a schedule of reinforcement is changed from CRF to intermittent reinforcement… The rate of reinforcement declines and response variability increases Resurgence The increases in topographic variability during extinction after a period of reinforcement Ratio Schedule Response based; this schedule is set to deliver reinforcement following a prescribed # of responses Interval Schedule Pay off when one response is made after some amount of time has passed Fixed Ratio Schedule Delivers reinforcement after a fixed # of responses is made Postreinforcement Pause (Preratio Pause) Flat part of the cumulative record that follows reinforcement Variable-Ratio Schedule The # of responses required for reinforcement changes after each reinforcer is presented - Produce a high rate of response - Fixed-Interval Schedule An operant is reinforcer after a fixed amount of time has passed Scalloping There is a pause after reinforcement (PRP), then a few probe responses, followed by more and more rapid
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This note was uploaded on 04/09/2008 for the course EAB 3002 taught by Professor Yankelevitz during the Spring '08 term at University of Florida.

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EAB3002 Exam 4 Study Guide - Exam 4 Exam Review Schedule of...

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