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ID:62112100
大小:3.05 MB
页数:135页
时间:2021-04-17
《最新国外心理学研究方法课件11.variables教学讲义ppt.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、国外心理学研究方法课件11.variablesLabremindersPrintouttheClassexperimentexercise(fromtheLabwebpage)andbringittolabsthisweekGroupprojectintroductionsectionsduethisweekManykindsofVariablesIndependentvariables(explanatory)Dependentvariables(response)ExtraneousvariablesControl
2、variablesRandomvariablesConfoundvariablesExperimenterBiasExperimenterbias(expectancyeffects)Theexperimentermayinfluencetheresults(intentionallyandunintentionally)E.g.,CleverHansOnesolutionistokeeptheexperimenter(aswellastheparticipants)“blind”astowhatconditionsa
3、rebeingtestedKnowingthatyouarebeingmeasuredJustbeinginanexperimentalsetting,peopledon’talwaysrespondthewaythatthey“normally”would.CooperativeDefensiveNon-cooperativeReactivityVariablesIndependentvariables(explanatory)Dependentvariables(response)Extraneousvariabl
4、esControlvariablesRandomvariablesConfoundvariablesDependentVariablesThevariablesthataremeasuredbytheexperimenterTheyare“dependent”ontheindependentvariables(ifthereisarelationshipbetweentheIVandDVasthehypothesispredicts).ConsiderourclassexperimentConceptuallevel:
5、MemoryOperationallevel:RecalltestPresentlistofwords,participantsmakeajudgmentforeachword15sec.offiller(countingbackwardsby3’s)MeasuretheaccuracyofrecallChoosingyourdependentvariableHowtomeasureyouryourconstruct:Cantheparticipantprovideself-report?Introspection–s
6、peciallytrainedobserversoftheirownthoughtprocesses,methodfelloutoffavorinearly1900’sRatingscales–stronglyagree-agree-undecided-disagree-stronglydisagreeIsthedependentvariabledirectlyobservable?Choice/decisionIsthedependentvariableindirectlyobservable?Physiologic
7、almeasures(e.g.GSR,heartrate)Behavioralmeasures(e.g.speed,accuracy)MeasuringyourdependentvariablesScalesofmeasurementErrorsinmeasurementMeasuringyourdependentvariablesScalesofmeasurementErrorsinmeasurementMeasuringyourdependentvariablesScalesofmeasurement-thecor
8、respondencebetweenthenumbersrepresentingthepropertiesthatwe’remeasuringThescalethatyouusewill(partially)determinewhatkindsofstatisticalanalysesyoucanperformScalesofme
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