Construct Measurement Using Factor Analysis: Creating & Validating Survey Protocols Dr. Richard E. Cleveland, PhD College of Education Counselor Education.

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Presentation transcript:

Construct Measurement Using Factor Analysis: Creating & Validating Survey Protocols Dr. Richard E. Cleveland, PhD College of Education Counselor Education Program Assistant Professor, Leadership, Technology & Human Development Food World Member, 2014-present

Keep it Brief Richard… Research Interests [NOTE: not an exhaustive listing] Validating Protocols for “New” Populations Considering Assumptions

Helping Students Flourish Resiliency  Positive Psychology (Lopez et al., 2009) Spirituality  Professional Recognition (ACA, ASCA, CACREP)  Conceptualizing Spirituality ▫Internal & Possibly Secular (Noddings, 2006) ▫Religious (Fowler, 1981) ▫constructivist (Phillips, 1995) Spirituality & General Well-Being  Developmental/Psychological (Kim & Esquivel, 2011)

Holder, Coleman & Wallace (2010) Correlations between Spirituality, Religiosity & Happiness in Children ▫3 Happiness (FACES, OHQ-SF, SHS) ▫1 Spirituality (SWBQ) ▫1 Religiosity (PBS) ▫1 Temperament (EAS)

“New” Child Populations Instruments Created/Administered with Adult Samples  Dissimilar samples  Developmental level of item wording  Exploratory Factor Analysis Guiding Questions:  Are the instruments psychometrically sound?  Are the derived factors similar to the original theorized structures?

Considering Assumptions 1.EFA versus CFA 2.PAF versus PCA 3.Skewness & Kurtosis Parameters 4.Parallel Analysis

EFA versus CFA Confirmatory Factor Analysis (CFA) investigates hypotheses about identified factors and their relationships with each other. Exploring a construct (e.g., latent variable) and the contributing factor(s) within requires EFA. (Field, 2009; Nunnally & Bernstein, 1994; Pedhazur & Schmelkin, 1991; Pett et al., 2003)

PAF vs. PCA “Indeed, feeling is strong on this issue…” (Field, 2009) “There have been few issues in the factor analytic literature that have generated more debate among methodologists and produced more confusion among researchers than the common factor versus principal component decision.” (Fabrigar & Wegener, 2012)

PAF vs. PCA Underlying Mathematics (Fabrigar & Wegener, 2012; Field, 2009; Tabachnick & Fidell, 2007) ▫PAF correlations among variables ▫PCA reducing variables to a smaller set Variance (Fabrigar & Wegener, 2012; Tabachnick & Fidell, 2007) ▫PAF analyzing shared variance only ▫PCA no distinction between common/unique variance Theory (Fabrigar & Wegener, 2012; Gall, Gall & Borg, 2007) ▫PAF parameter estimates generalized beyond sample ▫PCA parameters fit to sampling at core level

Skewness & Kurtosis EFA Parameters ▫Skewness < │ 2 │ ▫ Kurtosis < │ 7 │ (Fabrigar & Wegener, 2012)

Parallel Analysis Determining the appropriate number of factors ▫Random data generated in a parallel (similar) model ▫Non trivial components in the model influence both raw & random data ▫Eigenvalues: Raw > Random ▫SPSS Syntax O’Connor (2000) (Fabrigar & Wegener, 2012; Fabrigar, Wegener, MacCallum, & Strahan, 1999; Hayton, Allen, & Scarpello, 2004; O’Connor, 2000)

Thank