Original Research

The factor structure, metrical properties, and convergent validity of the third edition (1999) of the locus of control inventory

Johann M Schepers, Liezl Gropp, DJ Geldenhuys
SA Journal of Industrial Psychology | Vol 32, No 2 | a232 | DOI: https://doi.org/10.4102/sajip.v32i2.232 | © 2006 Johann M Schepers, Liezl Gropp, DJ Geldenhuys | This work is licensed under CC Attribution 4.0
Submitted: 29 October 2006 | Published: 29 October 2006

About the author(s)

Johann M Schepers, University of Johannesburg, South Africa
Liezl Gropp, University of South Africa, South Africa
DJ Geldenhuys, UNISA, South Africa

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The principal objective of the study was to examine the factor structure and metrical properties of the third edition (1999) of the Locus of Control Inventory (LCI). A corollary of the study was to examine the convergent validity of the instrument. After a thorough revision and extension of the scale to 88 items it was applied to a sample of 2091 first-year university students. Particular attention was paid to the shortcomings revealed in a study by de Bruin (2004). An iterative principal factor analysis of the scale was done. The three-factor-structure previously found was substantiated by the analysis. The obtained factors were interpreted as Autonomy, External Control and Internal Control. Highly acceptable reliabilities were obtained. As far as validity is concerned it was found that Internal Control and Autonomy are strongly related to Psychological Wellness and External Control negatively to Stress Management. The implications of the findings are discussed.


Sense of Coherence; Locus of Control; Emotional Intelligence


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