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1、Two-wayANOVATwo-waybetween-subjectsANOVAExample:Beer-goggleseffectAfteralcoholhadbeenconsumed,subjectiveperceptionsofphysicalattractivenesswouldbecomemoreinaccurate2between-subjectsIVs:Gender:maleandfemaleAmountofalcoholconsumed:0,2pints,and4pintsHowtoent
2、erdatainSPSS?Gender:F(1,42)=2.03,p>.05Alcoholconsumption:F(2,42)=20.07,p<.001GenderXAlcoholconsumption:F(2,42)=11.91,p<.001CorrectedModel=Gender+Alcohol+Gender*AlcoholCorrectedModel+Error=CorrectedTotalCorrectedTotal+Intercept=TotalCorrectedModel/Correcte
3、dTotal=RSquaredInteractionandmaineffectsGender,p>.05Alcohol,p<.05GenderXAlcohol,p<.001Maineffectisjustifiedbyinteraction!EstimatedmarginalmeansNone2pints4pintsTotalMale66.8866.8835.6356.46Female60.6262.5057.5060.21Total63.7564.6946.56SimplemaineffectofAlc
4、oholSyntax1:GLMAttractivenessbyalcoholgender/EMMEANS=tables(alcohol*gender)compare(alcohol)Can’tseehowthethreelevelsofalcoholdifferedwithineachgendergroup.SimplemaineffectofAlcoholSyntax2:manovaattractivenessbyAlcohol(13)Gender(01)/error=within/design=alc
5、oholwithingender(1)alcoholwithingender(2).SimplemaineffectofAlcohol2one-wayANOVAforalcoholoneachlevelofgenderwithpairedcomparisonswithcorrectionWhenGenderisMaleParticipantnumbersweredifferentfromthoseusedinMANOVA,soMSsofAlcoholwereidentical,butFvalueswere
6、different.WhenGenderisFemaleOutputreportANOVAresultsshowthatthemaineffectofGenderisnotsignificant,F(1,42)=2.03,p>.05,butthemaineffectofAlcoholconsumptionissignificant,F(2,42)=20.07,p<.001,theinteractionbetweenGenderandAlcoholconsumptionisalsosignificant,F
7、(2,42)=11.91,p<.001.Formalealcoholconsumers,theamountofalcoholconsumptionsignificantlyaffectedtheattractivenessoftheirdates,F(2,21)=20.52,p<.001.Afterdrinking4pintsofalcohol,theattractivenessoftheirdates(35.63)weresignificantlylowerthanthatwhennoalcoholdr
8、inking(66.88)andafterdrinking2pintsofalcohol(66.87).Forfemalealcoholconsumers,theamountofalcoholconsumptiondidnotsignificantlyaffecttheattractivenessoftheirdates,F(2,21)=0.61,p>.05(p=.546).GraphforinteractionUseesti
