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EAB3002 Exam 2 Study Guide

EAB3002 Exam 2 Study Guide - -1EAB3002 Exam 2 Study Guide...

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- 1 - EAB3002 Exam 2 Study Guide Response Rate The number of responses per unit of time Response Rate: Practical Rate varies continuously with many independent variables Response Rate: Conceptual Behavior occurs in time. This measure captures that aspect of behavior Dimensions of Response 1. Topography (form of R) 2. Intensity (force of R) 3. Frequency 4. Duration 5. Latency : time elapsed from starting point to the R being reinforced 6. Inter-response Time: time between episodes of R Cumulative Recorder Shoes R happening in real time; brings patterns into focus Why are surveys and questionnaires not used in BA? BA’s are interested in behavior that is observable. When using surveys and questionnaires, all you can observe is which square the person checks. This is generally not the behavior of interest. Surveys measure what subjects say about thoughts, feelings, and behavior – but nothing else. Characteristics of a Good Measurement System: Objectivity, Reliability, Validity, Sensitivity Objectivity: Results are observable and unambiguous Reliability: Measurement system produces consistent, repeatable results Validity: Instrument produces accurate representation of work Sensitivity Instrument reflects changes in response Why are rats, pigeons, monkeys, humans, etc. used for BA experiments? 1. easy to care for 2. high rates of response 3. highly controlled environmental setting 4. history of reinforcement. Problem with Averaging: May nit represent any of the individual subjects
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- 2 - Significance Testing: The p-value The p-value is the essence of most psychological testing, especially in group designs. If p > 0.05, then you have an “effect” Single-Subject Design 1. NOT really a single subject. A few subjects are observed (usually around 4) 2. strategy for evaluating cause and effect relationships under changing conditions 3. provides for a more precise isolation of essential treatment elements 4. reveals sources of variability in the data 5. repeated measurement 6. observations across a long time Single-Subject means: “Within subject” When NOT to use reversal design 1. when your manipulation of the IV causes permanent change in behavior 2. when removal of IV is unethical Multiples Baseline Across Behaviors - observe baseline levels of problem behavior - punish one problem behavior at a time - observe changes in all behaviors
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