The personal disturbance scale (sAD): normative data and latent structure in a large non-clinical sample

J. D. Henry, John Robertson Crawford, A. Bedford, Caroline Margaret Crombie, E. P. Taylor

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The Personal Disturbance Scale [sAD; Bedford & Foulds (1978) Delusions-Symptoms-States Inventory State of Anxiety and Depression. Windsor: NFER-Nelson] is widely used in diverse settings and yet there are unresolved issues concerning its psychometric properties and normative data for the English speaking version are limited. The sAD was administered to a large sample of the general adult population (N = 758). Demographic variables (gender, age, years of education and occupational status) had only very modest influences on sAD scores. Tables are presented for conversion of raw scores on the Anxiety, Depression and Total scales to percentiles. The sAD scales possessed adequate convergent and discriminant validity, as demonstrated by their pattern of correlations with two other measures of depression and anxiety (the DASS and the HADS). Ten competing models of the latent structure of the sAD were derived from theoretical and empirical sources. These models were evaluated using confirmatory factor analysis. The best fitting model (CFI = 0.96) had a tripartite structure, and consisted of a general factor of psychological distress/negative affectivity (all items loaded on this factor) plus orthogonal specific factors of anxiety and depression. Correlated errors specified according to previous empirical findings were permitted. The theoretical and practical implications of this latent structure are discussed. (C) 2002 Published by Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)1343-1360
Number of pages17
JournalPersonality and Individual Differences
Volume33
DOIs
Publication statusPublished - 2002

Keywords

  • sAD
  • psychometric properties
  • tripartite model
  • mood disorders
  • validity
  • TRIPARTITE MODEL
  • DEPRESSION
  • ANXIETY
  • DSSI/SAD
  • SYMPTOMS
  • STATES

Cite this

The personal disturbance scale (sAD): normative data and latent structure in a large non-clinical sample. / Henry, J. D.; Crawford, John Robertson; Bedford, A.; Crombie, Caroline Margaret; Taylor, E. P.

In: Personality and Individual Differences, Vol. 33, 2002, p. 1343-1360.

Research output: Contribution to journalArticle

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