PMID: 489743Jul 1, 1979Paper

Complex factorial structure of Ellis' Irrational Beliefs

Journal of Clinical Psychology
R F HaaseE T Hallberg

Abstract

Previous research with a newly developed children's scale for measuring Ellis' constructs with regard to irrational beliefs showed that while the scale clearly reflected theoretically predicted developmental trends, the internal consistency reliability of the overall 11-item scale was relatively low (.56). This low internal consistency suggested that the 11 items were in fact heterogeneous and were not measuring a single, univocal, construct. An exploratory factor analysis was performed on the responses of 788 fifth-through thirteenth-grade students. Results of the Alpha factor and analysis clearly indicate that the scale is multifaceted, i.e., comprised of four orthogonal, interpretable factors. Estimates of internal consistency reliabilities for the separate factors, when corrected for length, revealed that each of the new factors was more reliable than the full scale score in this sample. Potential revisions of the scale, as well as cautions for its use in clinical applications on its present form are discussed.

References

Jun 1, 1966·Journal of Experimental Psychology·H Munsinger
Mar 1, 1965·Psychometrika·H F KAISER, J CAFFREY
Apr 1, 1966·Multivariate Behavioral Research·R B Cattell

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