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Applied Structural Equation Modeling Using AMOS: Basic to Advanced Techniques


What Is Structural Equation Modeling?Basics of SEM Input: The Covariance MatrixCorrelations Between ConstructsIs SEM Causal Modeling?A Confirmatory Approach to SEMTheory Should Lead ConceptualizationAssumptions of SEMSEM SoftwareUnderstanding Diagram SymbolsIndependent vs. Dependent Latent VariablesHow to Measure an Unobserved ConstructGreek Notation and SEMWhat Do All These Greek Symbols Mean?Highlights of the ChapterReferencesData Screening, Assessing Reliability, Validity, and IdentificationData ScreeningScreening for Impermissible Values in the DataHow Do I Assess If I Have Missing Data?How Do I Address Missing Data?Assessing ReliabilityIdentification With SEM ModelsHow Do I Calculate the Degrees of Freedom?What Do I Do if My Model Is Under-Identified?Sample Size: How Much Is Enough?Understanding the Validity of MeasuresReferencesUnderstanding the AMOS ProgramOverview of the AMOS Graphics WindowAMOS Functions Listed as Icons in Pinned RibbonTips to Using AMOS More EfficientlyQuick Reference to AMOS FunctionsMeasurement Model AnalysisIntroduction to Confirmatory Factor AnalysisHow Is a CFA Different From an EFA?Interpretation of Factor LoadingsSetting the MetricModel Fit and Fit StatisticsWhat Value Means the Model Is a Good Fit?Modification IndicesCFA Example in AMOSStandardized ResidualsAssessing Convergent and Discriminant Validity of Your MeasuresHeterotrait-Monotrait Ratio of Correlations (HTMT)If I Have a Weak Factor Loading, Should I Drop It?How to Calculate Composite ReliabilityWhat If I Have a Standardized Factor Loading Greater Than 1?How Do I Report My CFA Results?Measurement Model Invariance Across GroupsFull vs. Partial Metric InvarianceHow Do I Know Which Parameter to Free in a Partial Invariance Test?Common Method BiasWhat If My Test for Common Method Bias Is Significant?What if My Common Method Bias Test Is Non­Significant?What Is a Second Order Confirmatory Factor Analysis Model?Reflective vs. Formative IndicatorsPotential Identification Problems With Formative IndicatorsDependent Relationships With Formative ConstructsHigher Order Formative Construct ExampleHow Do I Present the Result of My Higher Order Formative Model?Error Messages in AMOSDefinitions of Constructs Used in Examples for This ChapterReferencesPath and Full Structural ModelsPath AnalysisCan I Use a Correlation Matrix as My Data Input?Full Structural Model AnalysisHow Do I Report My Full Structural Model Results?Using Specification Search to Aid in Model Trimming and FitWhat Are Alternative Models, and Why Should I Be Concerned With Them?How Do I Add a Control Variable to My Structural Model?Two Group AnalysisWhat if I Have More Than Two Groups in My Analysis?When I Try to Run My Structural Analysis, I Get an Error Message About My Matrix Not Being Positive DefiniteCan I Correlate the Error Terms of Two Unobservable Constructs in a Full Structural Model?How Do I Present the Results of My Two Group Analysis?How Do I Search for Multivariate Outliers?How Do I Determine if My Data Is Not Normally Distributed (Non-­Normal)?What if I Get an Error Message in the Analysis That Says “Iteration Limit Reached”?Definitions of Constructs Used in Examples for This ChapterReferencesMediationIntroduction to MediationHow to Test for MediationHow Do I Report the Results of My Mediation Test?Can I Use a Correlation Matrix or Summary Data to Test Mediation in AMOS?What if I Have Multiple Mediators in My Model?How Do I Test Serial Mediation?Setting the Seed in BootstrappingDefinitions of Constructs Used in Examples for This ChapterReferencesModerationIntroduction to ModerationProbing the InteractionTesting Moderation in a Full Structural ModelMixed Model MethodFull Indicator Interaction MethodMatched-Pairs MethodHow Do I Present My Moderation Results?Mean Center vs. Z Score in Moderation TestingModeration Testing With a Categorical ModeratorCalculating Categorical Moderation via Pairwise Parameter ComparisonModerated Mediation With a Continuous ModeratorHow Do I Report the Results of My Moderated Mediation Test?Moderated Mediation With a Categorical ModeratorDefinitions of Constructs Used in Examples for This ChapterReferencesUsing Categorical Independent Variables in SEMBinary Categorical Variables in SEMMediation with Binary Categorical Independent VariablesMulticategorical Independent Variables in SEMMediation With Multicategorical Independent VariablesModerated Mediation With a Multicategorical Independent VariableHow Do I Report the Results of My Multicategorical Moderated Mediation Test?Definitions of Constructs Used in Examples for This ChapterLatent Growth Curve ModelsIntroduction to Latent Growth Curve ModelsIncluding Predictors Into a Latent Growth Curve ModelHow Do I Present My Latent Growth Curve Results?Latent Growth Curves With Nonlinear PatternsLatent Growth Curves Across Two DomainsDefinitions of Constructs Used in Examples for This ChapterAdvanced Topics in SEMUsing Weighted Scores in AMOSHow to Use Bootstrapping to Account for Non­Normal DataMixture ModelingAnalyzing Censored DataNon­-Recursive Models (Feedback Loops)Addressing Missing Data in AMOSPost-­Hoc Power AnalysisUsing Specification Search to Perform Exploratory Factor AnalysisHow to Use Plugins to Create a Model Instead of Drawing a Model in AMOSHow to Use the Program Editor to Conceptualize Your Model and Run the AnalysisDefinitions of Constructs Used in Examples for This ChapterReferencesAppendix: Table of Chi-Square Statistics