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    This study compared two methods for analyzing how people perceive politicians. Three-mode factor analysis better captures individual differences in political perceptions compared to INDSCAL.

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    Area of Science:

    • Social Psychology
    • Quantitative Psychology
    • Political Psychology

    Background:

    • Understanding interindividual differences in perception is crucial in social and political psychology.
    • Spatial models are often used to represent subjective judgments.
    • Comparing analytical methods is essential for advancing research methodologies.

    Purpose of the Study:

    • To compare the effectiveness of INDSCAL and three-mode factor analysis in modeling interindividual differences in political perceptions.
    • To determine which method better reflects individual judgment variations within a spatial model framework.

    Main Methods:

    • Seventy subjects rated 9 German politicians on 22 attribute scales.
    • Profile similarities were computed for individual stimulus pairs.
    • Data were analyzed using INDSCAL and three-mode factor analysis.

    Main Results:

    • Both INDSCAL and three-mode factor analysis were applied to the three-way data matrix.
    • Individual parameters (INDSCAL-weights, factor scores) were examined for their reflection of interindividual judgment differences.
    • Three-mode factor analysis demonstrated greater suitability for describing interindividual judgment differences spatially.

    Conclusions:

    • Three-mode factor analysis is more adept at capturing and representing how individuals differ in their perceptions of political figures.
    • The study highlights the utility of three-mode factor analysis for detailed analysis of subjective judgment variations.