Validity Study of the Eysenck Personality Questionnaire

Abstract

The Eysenck Personality Questionnaire was compared by means of canonical analysis to the Myers-Briggs Type Indicator and to the Adjective Check List, with samples of 79 and 53 individuals, respectively. The results supported the validity of Eysenck's Extraversion and Neuroticism scales but gave less support for the validity of the Psychoticism scale.

Recent Assessments of the Myers-Briggs Type Indicator

“…No significant correlation between introversion and extraversion on the Elindex and clinically diagnosed neuroticism or psyohoticism was found by Hughes and Johllson (1975). Note that this result also conflicts with the Wakefield et al (1976) report of a correlation between the E I scale and test neurosis, cited in an earlier section of this paper.…”

“…and coooerative. Neither in that by Wakefield et al (1976), the El scale was found to correlate significantly with Eysenckys extraversion factor (r = .74). In addition, SteeIe and Kelley argue that their data provide an assessment of the discriminant validity of the other scales on the MBTI.…”

“…The following review focuses on published studies relating the MBTI 1. 0 other assessment devices and to a variety of behaviors in various clinical, counseling and research contexts, Wakefield, Sasek, Brubaker, and Friedman (1976) …”

The Relationship Between the Keirsey Temperament Sorter and the Short-Form Revised Eysenck Personality Questionnaire

“…Studies using the MBTI and the Eysenckian models of personality have found two strong sets of relationships emerging consistently between the scales of these two models: first, the Eysenckian scale of extraversion correlates positively with the MBTI E scale and negatively with the MBTI I scale (Steele & Kelly, 1976;Wakefield, Sasek, Brubaker, & Friedman, 1976;Sipps & Alexander, 1987;Landrum, 1992;Saggino & Kline, 1996;Francis & Jones, 2000;Furnham, Jackson, Forde, & Cotter, 2001); second, the Eysenckian scale of psychoticism correlates positively with the MBTI P scale and negatively with the MBTI J scale (Saggino & Kline, 1996;Francis & Jones, 2000;Furnham, Jackson, Forde, & Cotter, 2001). On the basis of the findings of these previous studies it is hypothesised that the Eysenckian extraversion scale will be positively correlated with the KTS EI scale and the Eysenckian psychoticism scale will be negatively correlated with the KTS JP scale.…”

“…Several studies have investigated the relationship between the Eysenckian model of personality and another operationalisation of Jungian psychological type theory proposed by the Myers-Briggs Type Indicator (Myers & McCaulley, 1985), including Steele and Kelly (1976), Wakefield, Sasek, Brubaker and Friedman (1976), Sipps and Alexander (1987), Landrum (1992), Saggino and Kline (1996), Francis and Jones (2000), and Furnham, Jackson, Forde and Cotter (2001). However, thus far, no empirical study has investigated the relationship between the KTS and the Eysenckian model of personality.…”