CASE STUDIES

CASE STUDIES - population, so that we can “generalize”...

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Intro to Psych Case study http://practice1fall2006.speedsurvey.com go to this!!!!!!! Fill this shit out Research methods Descriptive Co-relational Experimental WHATS THE DIFFERENCE BETWEEN METHODS We want to know if X causes Y descriptive and co-relational methods only tell us whether X and Y “go together” -X could cause Y -Y could cause X or -Z could cause both X and Y Experimental method allows us to directly test whether X causes Y DESCRIPTIVE METHODS Case Study Survey Naturalistic observation Case Study—In depth study of one individual with a unique problem or quality. Case study can also be used to demonstrate a new treatment method. Advantages of Case Study Allows for study or rare phenomena Rich source of hypotheses Disadvantages Data are retrospective Difficult to establish cause and effect May not generalize to other cases In all research we want our sample to “represent” the larger
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Unformatted text preview: population, so that we can “generalize” our findings from the sample back to the population. 1.need sufficiently large sample size 2.need to sample at random In a case study, we have a nonrandom sample of 1 SURVEY— A questionnaire or interview. Usually involves large number of subjects ADVANTAGES • Access to data that may be difficult to obtain with other methods • Comparatively easy to administer to large numbers of people. DISADVANTAGES • May be difficult to obtain a representative sample • Possible response bias • Difficult to establish cause and effect NATURALISTIC OBSERVATION—Observer records ongoing behavior in a natural setting. Advantages • Least artificial • Rich source of hypotheses Disadvantages • Low frequency of some behaviors • Observer may interfere with the phenomenon • Possible observer bias...
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This note was uploaded on 04/03/2008 for the course PSYCH 101 taught by Professor M during the Spring '08 term at ASU.

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CASE STUDIES - population, so that we can “generalize”...

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