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Psych 257 Chap 4 Psych 257 Psychopathology Barlow et Al: Abnormal Psychology 2nd CDN edition Chapter 4

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University of Waterloo
Uzma Rehman

Research Methods use scientific method but many aspects of human natureinaccessible must learn research methodology Important Concepts questions nature of problems people report etiology of human behavior how researches evaluate treatment Basic Components of a research study hypothesis educated guessresearch design how to test hypothesis with independentdependent variableshypothesis formation look at phenomena and construct testable hypotheses unambiguous wordsspecify independentdependent variables internal validity extent of confidence that IV is causing DV no threatsExternal validity how results relate to things outside studyconfound factor occurring in a study that makes results uninterpretableto insure ivalidity use control groups randomizationanalogue models create aspects in control similar to phenomenon under study ex Ask controls to binge eat generalizability extent to which results apply to everyone w a particular disorder intex validity opposition Statistical versus Clinical Significance statistical significant in terms of difference bw control and manipulation concern w size of effect clinical importance to people ex Do the findings actually help the overall goal The Average Client patient uniformity myth tendency to see all patients as homogenous group not individually different lead researchers to make inaccurate generalizations about disorder and treatment Studying Individual Cases case study method intensively investigate one indivs who display behaviouralphysical patterns yields great deal of info on person family background etc stimulates further r
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