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页数:50页
时间:2020-02-02
《《社会研究方法》艾尔巴比_英文ppt_Ch8.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、PartThreeModesofObservationChapter8ExperimentsChapterOutlineIntroductionTopicsAppropriatetoExperimentsTheClassicalExperimentSelectingSubjectsChapterOutlineVariationsonExperimentalDesignsAnIllustrationofExperimentationAlternateExperimentalSettingsStrengthsandWeakn
2、essesoftheExperimentalMethodTopicsAppropriatetoExperimentsProjectswithlimitedandwell-definedconcepts.Projectsthatareexploratoryratherthandescriptive.Studiesofsmallgroupinteraction.ComponentsofExperimentsThreePairsIndependentanddependentvariablesPretestingandpostt
3、estingExperimentalandcontrolgroupsQuestionInthesimplestexperimentaldesign,subjectsaremeasuredintermsofa_________variableexposedtoan_________variable.pretested;posttestedfluid;staticindependent;dependentdependent;independentAnswer:DInthesimplestexperimentaldesign,
4、subjectsaremeasuredintermsofadependentvariableexposedtoanindependentvariable.SubjectsExperimentalgroup-Agroupofsubjectstowhomanexperimentalstimulusisadministered.Controlgroup-Agroupofsubjectstowhomnoexperimentalstimulusisadministeredandwhoresembletheexperimentalg
5、roupinallotherrespects.Double-blindExperimentAnexperimentaldesigninwhichneitherthesubjectsnortheexperimentersknowwhichistheexperimentalgroupandwhichisthecontrol.ExperimentalandControlGroupsMustbeassimilaraspossible.Controlgrouprepresentswhattheexperimentalgroupw
6、ouldhavebeenlikehaditnotbeenexposedtothestimulus.Question_____________groupsaregroupsofsubjectstowhomanexperimentalstimulusisadministered.controlexperimentalpurposivetriadAnswer:BExperimentalgroupsaregroupsofsubjectstowhomanexperimentalstimulusisadministered.Diag
7、ramofBasicExperimentalDesignSelectingSubjectsProbabilitysamplingRandomizationMatchingRandomizationandMatchingMaynotknowwhichvariableswillberelevantformatchingprocess.Moststatisticsusedtoanalyzeresultsassumerandomization.Randomizationonlymakessenseifyouhavealargep
8、oolofsubjects.Question______________isatechniqueforassigningexperimentalsubjectstoexperimentalandcontrolgroupsrandomly.nonprobabilityanalysesmatchingrandomizat
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