QuantitativeData Analysis 2
Week 2
, Topic2 Conceptual Model ANOVA
InQDAthetermdepenidentandindependentvariableareoftenused inthiscoursewe useOutcomevariable
andPredictorvariableinstead
TheOV outcomevariable isthetestedtobeexplainedvariablesamethingondependentV
ThePV thevariablethat
explain samethingas anindependentvariable
PV IVandOVDV
The valuestand
p fortheProbabilityofobtaininga resultequaltowhatwasactuallyobservedawning
thatthenullhypothesisistrueSobonicallyin ANOVAthePvaluetelluswhethertheobserveddifference
intheoutcomevariableacrossthegroupsdefinedbythepredictorvariableare statisticallysignificant or
duetochanceBut repeatedthe rare experiment timesunderthenullhypothesisabout5
experiments
ifyou
wouldlead to
many
I
incorrectlyrejectingthewell Type error
these
of
you
Aconceptualmodelisthevisualrepresentationofrelationbetweentheoreticalconstructsandvariableofinterest
Amodel injust a simplifieddescription reality
of
Thevariableusedin a modelcanhavedifferentneaurement
1 Categorical nominalordinal subgroupsindicatedbynumbers
2Quantitativediscreteintervalratio
oftenordinalscaler are treatedon intervalscaler Likertscale
Thepredictorvariablein a categoricalvariableand
theoutcomevariable in aquantitativevariable
The modelalwaysstart
creatingof a conceptual
witha researchquestion Whatfactorsinfluencestudentsatisfaction
Afterwardthehypotherin are formulatedthisis averbalizedexpressionofan expectedrelation
PV or
thehypothesiswhich
Thearrowrepresente needtobetestable
Week 2
, Topic2 Conceptual Model ANOVA
InQDAthetermdepenidentandindependentvariableareoftenused inthiscoursewe useOutcomevariable
andPredictorvariableinstead
TheOV outcomevariable isthetestedtobeexplainedvariablesamethingondependentV
ThePV thevariablethat
explain samethingas anindependentvariable
PV IVandOVDV
The valuestand
p fortheProbabilityofobtaininga resultequaltowhatwasactuallyobservedawning
thatthenullhypothesisistrueSobonicallyin ANOVAthePvaluetelluswhethertheobserveddifference
intheoutcomevariableacrossthegroupsdefinedbythepredictorvariableare statisticallysignificant or
duetochanceBut repeatedthe rare experiment timesunderthenullhypothesisabout5
experiments
ifyou
wouldlead to
many
I
incorrectlyrejectingthewell Type error
these
of
you
Aconceptualmodelisthevisualrepresentationofrelationbetweentheoreticalconstructsandvariableofinterest
Amodel injust a simplifieddescription reality
of
Thevariableusedin a modelcanhavedifferentneaurement
1 Categorical nominalordinal subgroupsindicatedbynumbers
2Quantitativediscreteintervalratio
oftenordinalscaler are treatedon intervalscaler Likertscale
Thepredictorvariablein a categoricalvariableand
theoutcomevariable in aquantitativevariable
The modelalwaysstart
creatingof a conceptual
witha researchquestion Whatfactorsinfluencestudentsatisfaction
Afterwardthehypotherin are formulatedthisis averbalizedexpressionofan expectedrelation
PV or
thehypothesiswhich
Thearrowrepresente needtobetestable
