Reliability Alpha, Principal Component Analysis, and Exploratory Factor Analysis

  • Hubert Gatignon


In this chapter, we discuss the issues involved in building measures or scales. We focus the chapter on two types of analysis: (1) the measurement of reliability with Cronbach’s alpha and (2) the verification of unidimensionality using factor analysis. We concentrate on exploratory factor analysis (EFA) and we only introduce the notion of confirmatory factor analysis. In the next chapter, we develop in detail the confirmatory factor analytic model and examine the measures of convergent and discriminant validity.


Principal Component Analysis Covariance Matrix Confirmatory Factor Analysis Exploratory Factor Analysis Factor Score 
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Basic Technical Readings

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Hubert Gatignon
    • 1
  1. 1.INSEADFontainebleau CedexFrance

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