Journal of Depression and Anxiety
Open Access

Stephen F. Austin

Publications

• Research Article
  A Psychometric Validation Analysis of Eysencks Neuroticism and Extraversion Scales in a Sample of First Time Depressed Patients
  Author(s): Stine Bjerrum Moeller, Per Bech, Lars Kessing, Erik Lykke Mortensen, Stephen F. Austin and Jens Otto Drachmann Bukh Stine Bjerrum Moeller, Per Bech, Lars Kessing, Erik Lykke Mortensen, Stephen F. Austin and Jens Otto Drachmann Bukh
  
  Eysenck and Eysenck identified the two-factor structure of personality, namely neuroticism and extraversion which has been widely used in clinical psychiatry, and generated much research on the psychometric properties of the scales. Using a classical psychometric approach the neuroticism and extraversion scales have shown robust psychometric properties. The present study used both classical psychometric and item response theory (IRT) analyses to evaluate the neuroticism and extraversion scales and improve scalability of the instrument. A first time depressed sample completed the Eysenck Personality Questionnaire (EPQ) and Hamilton Depression Rating Scale (Ham-D 17-item) at baseline and at follow-up five years later. For the neuroticism scale a subscale containing depression-related symptoms, a subscale containing anxietyrelated symptoms, and a subscale containing symptoms related to i.. View More»
  DOI: 10.4172/2167-1044.1000202

  Abstract PDF

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