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Related Experiment Videos

Reliability and validity of scores from the Singer-Loomis Type Deployment Inventory.

R C Arnau1, D H Rosen, B Thompson

  • 1Department of Psychology, Texas A&M University, College Station 77843-4235, USA. R-Arnau@tamu.edu

The Journal of Analytical Psychology
|August 23, 2000
PubMed
Summary

The Singer-Loomis Type Deployment Inventory (SL-TDI) offers a more accurate measure of Jungian personality types than the MBTI. This study confirms the SL-TDI

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Area of Science:

  • Psychology
  • Personality Theory
  • Psychometric Assessment

Background:

  • The Myers-Briggs Type Indicator (MBTI) is widely used but has limitations in representing Jung's theory.
  • The Singer-Loomis Type Deployment Inventory (SL-TDI) was developed as an alternative using a continuous, non-forced choice format.
  • Accurate psychometric tools are essential for reliable personality assessment.

Purpose of the Study:

  • To evaluate the reliability and validity of scores obtained from the Singer-Loomis Type Deployment Inventory (SL-TDI).
  • To assess the internal consistency, divergent validity, and test-retest stability of the SL-TDI.
  • To provide empirical evidence supporting the SL-TDI as a psychometric instrument.

Main Methods:

  • Internal consistency reliability was estimated using Cronbach's alpha.

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  • Divergent validity was assessed by examining correlations between SL-TDI scores and scores on a social desirability measure.
  • Test-retest reliability was evaluated by administering the SL-TDI to participants on two separate occasions.

    • Main Results:

    • The SL-TDI demonstrated strong internal consistency, indicating reliable measurement of psychological types.
    • Divergent validity was supported, as SL-TDI scores showed expected low correlations with social desirability responding.
    • High test-retest stability coefficients were observed, confirming the instrument's consistency over time.

    Conclusions:

    • The findings provide strong support for the reliability and validity of the Singer-Loomis Type Deployment Inventory (SL-TDI).
    • The SL-TDI is a psychometrically sound instrument for assessing Jungian psychological types.
    • The continuous, non-forced choice format of the SL-TDI enhances its accuracy in representing personality theory.