It is neuroticism, one of the sub-dimensions of Eysenck personality inventory, which has been considered the most associated personality trait with different aspects of breast cancer survival such as fatigue, lower level of quality of life and depression (11).
In our study, on the other hand, neuroticism scores were found to be negatively correlated with following subscales of the quality of life: physical functioning, pain, vitality, emotional role difficulty and mental health perception, whereas extraversion subscale of Eysenck personality inventory showed a positive correlation with SF-36 vitality, social functioning and mental health perception subscales.
The measurement of extraversion: A comparison of the Eysenck Personality Inventory
and the Eysenck Personality Questionnaire.
Self-rating validation of the Eysenck Personality Inventory
. British Journal of Social and clinical Psychology, 8, 55-58.
Eysenck Personality Inventory
. Consisting of 57 yes/no questions, the EPI reveals enduring psychological traits such as extroversion-introversion and neuroticism-stability (Eysenck & Eysenck, 1982).
Discriminant validity was shown by demonstrating that the SFNA did not (a) relate to the Extraversion scale of the Eysenck Personality Inventory (EPI-E; Eysenck & Eysenck, 1968), and (b) correlate as highly with existing measures of NA as these measures did among themselves.
First, the Neuroticism scale of the Eysenck Personality Inventory (EPI-N; Eysenck & Eysenck, 1968) was chosen based on Watson & Clark's (1984) suggestion that neuroticism is synonymous with NA.
The third part consisted of the Beck Depression Inventory (Beck, 1967), and the fourth was the revised short form of the Eysenck Personality Inventory
, or EPQ-R (Eysenck, Eysenck & Barrett, 1985).
(2004) stated, "there are no items in the neuroticism scales of the NEO-FFI (Costa & McCrae, 1992), the International Personality Item Pool (Goldberg, 1999), or the Eysenck Personality Inventory (Eysenck & Eysenck, 1968) that explicitly reference control or capability" (p.
Manual of the Eysenck Personality Inventory. San Diego, CA: Educational and Industrial Testing Service.
Bartram & Dale (1982), following on from the work of Jessup & Jessup (1971), reported analyses of Eysenck Personality Inventory
(EPI) data which showed that applicants for military pilot training are more stable and somewhat more extravert than the general population.
The multifactorial nature of extraversion-introversion in the Myers-Briggs Type Indicator and Eysenck Personality Inventory
. Educational and Psychological Measurement, 47(3), 543-552.