Applying Generalizability Theory Using Edug

Intendedtohelpimprovemeasurementanddatacollectionmethodsinthebehavioral，social，andmedicalsciences，thisbookdemonstratesanexpandedandaccessibleuseofGeneralizabilityTheory(Gtheory).Gtheoryconceptuallymodelsthewayinwhichthereliabilityofmeasurementisascertained.Sourcesofscorevariationareidentifiedaspotentialcontributorstomeasurementerrorandtakenintoaccountaccordingly.TheauthorsdemonstratethepowerfulpotentialofGtheorybyshowinghowtoimprovethequalityofanykindofmeasurement，regardlessofthediscipline.

ReaderswillappreciatetheconversationalstyleusedtopresentacomprehensivereviewofGtheoryanditsapplicationusingthefreewareEduG.Tomaximizeunderstandingtheauthorsillustrateallfundamentalprincipleswithconcreteexamplesfromdifferentfieldsandcontexts.AnnotatedapplicationsleadstudentsthroughthemainconceptsofGtheory，whileillustratingboththeuseofEduGandinterpretationofitsoutput.Formulasareavoidedwhereverpossible.ExerciseswithdatasetsavailableonthePsychologyPresswebsiteallowreaderstocarryouttheirownanalysestoreinforceunderstanding.Briefoverviewsofanalysisofvariance，estimation，andthestatisticalerrormodelareprovidedforreview.TheproceduresinvolvedincarryingoutageneralizabilitystudyusingEduGfollow，aswellasguidanceintheinterpretationofresults.Real-worldapplicationsofGtheorytotheassessmentofdepression，managerialability，attitudes，andwritingandmathematicalskillsarethenpresented.Next，annotatedexercisesprovideanopportunityforreaderstouseEduGandinterpretitsresults.ThebookconcludeswithareviewofthedevelopmentofGtheoryandpossiblenewdirectionsofapplication.Finally，forthosewithastrongstatisticalbackground，theappendixesprovidetheformulasusedbyEduG.
Idealasasupplementforcoursesonmeasurementtheoryand/orgeneralizabilitytheorytaughtindepartmentsofpsychology，education，medicine，andthesocialsciences，thistextwillalsoappealtoresearchersfromavarietyoffieldsinterestedinlearninghowtoapplyGtheorytotheirstudies.