Essays about: "Polychoric correlation"

Found 1 essay containing the words Polychoric correlation.

  1. 1. Factor Analysis of Ordinal Variables: Polychoric and Pearson correlations in the exploratory approach

    University essay from Lunds universitet/Statistiska institutionen

    Author : Theodor Emanuelsson; [2021]
    Keywords : Exploratory factor analysis; Polychoric correlation; Pearson correlation; Mathematics and Statistics;

    Abstract : This thesis considers the problem of applying exploratory factor analysis to data obtained though the Likert scale. It is often the case that this sort of data is treated as an interval level of measurement and used in analyses that require continuous variables, although given the categorization and nature of the scale, it should rather be treated as of ordinal level. READ MORE