Research Paper: Eysenck’s Research on Personality Traits

Sample Research Paper

According to Weiten (2001), Eysenck explored two “source traits” and each of them was associated with one “dimension”. Whether or not a person desires “excitement” and whether or not he is liable to become “emotionally upset” are what constitutes the two dimensions. The former dimension is of “introversion-extroversion” and the latter dimension is of “neuroticism-stability” (Weiten, 2001).

Factorial Analysis was used by Eysenck to uncover the underlying characteristics of the above-mentioned dimensions. This analysis was an experiment conducted on 700 patients in a hospital. Initially, a much population was chosen for the experiment. Nonetheless, people suffering from epilepsy, head injuries and other cardiovascular diseases were not made participants of the study. The basic “aim of this factor analysis is to discover the smallest number of independent factors or variables which adequately describe and classify mental abilities and temperamental traits” (Eysenck, 1997, p. 16).

Eysenck had set criteria for identifying factors. The benchmarks included: “psychometric evidence”, “heritability”, “must make sense from a theoretical point of view”, “must possess social relevance” (Feist & Feist, 2006). The social scientist used statistical tools to measure the impact and effect of each factor. Nonetheless, he agrees that the factorial analysis was not expected to provide a ‘definitive, final answer” and was used as a “first approach” towards his objective (Eysenck, 1997, p. 31). The experiment did, however, assist in discovering “39 personality traits” (Eysenck, 1997, p. 19).

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