Obsessive–Compulsive personality disorder (OCPD) was most common ( n = 39). Frequencies, between-subjects t-tests and hierarchical regression models were conducted.Ĭluster C personality disorders were most prevalent (50%). To determine the prevalence of personality disorders and their relation to insomnia parameters among persons with chronic insomnia with hypnotic dependence.Įighty-four adults with chronic insomnia with hypnotic dependence completed the SCID-II personality questionnaire, two-weeks of sleep diaries, polysomnography, and measures of insomnia severity, impact, fatigue severity, depression, anxiety, and quality of life. There is some evidence that the positive perfectionism and achievement striving constructs measured by the scales in this study are distinguishable as two distinct factors in a confirmatory factor analysis however, more empirical evidence is needed to establish their substantive differences. However, a single latent factor model provided a comparatively poorer fit than a two latent factor model. One-hundred and seventy-nine junior basketball players (age M = 16.50, s = 1.12) completed measures of positive perfectionism, conscientious achievement striving and other external measures.Īnalyses revealed that the two scales were highly positively correlated and demonstrated a similar pattern of relationships with the external measures. The purpose of the study was to examine the similarities between the constructs measured by the positive perfectionism subscale from the Positive and Negative Perfectionism Scale and the achievement striving subscale from the Revised NEO Personality Inventory.
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