Personality Disorder Features Screener – PDFS-56
A 56-item self-report questionnaire designed to measure nonclinical features of the ten personality disorders specified in the DSM-IV-TR.
Scale Development & Technical Details
Scale Overview
The Personality Disorder Features Screener – PDFS-56 was developed by Bjorn Meyer, Maria K. Enstrom, Mona Harstveit, David P. Bowles, & Christopher G. Beevers (2007). It is designed to measure Nonclinical personality disorder features. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 56 items organized into 10 factors/subscales: Paranoid, Schizoid, Schizotypal, Antisocial, Borderline, Histrionic, Narcissistic, Avoidant, Dependent, Obsessive-Compulsive.
| Factor / Subscale | Items | N |
|---|---|---|
| Paranoid | 1,2,3,4,5 | 5 |
| Schizoid | 6,7,8,9 | 4 |
| Schizotypal | 10,11,12,13,14 | 5 |
| Antisocial | 15,16,17,18,19,20 | 6 |
| Borderline | 21,22,23,24,25,26,27,28,29,30 | 10 |
| Histrionic | 31,32,33,34,35,36 | 6 |
| Narcissistic | 37,38,39,40,41 | 5 |
| Avoidant | 42,43,44,45,46 | 5 |
| Dependent | 47,48,49,50,51 | 5 |
| Obsessive-Compulsive | 52,53,54,55,56 | 5 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Disagree strongly, 2 = Disagree slightly, 3 = Agree slightly, 4 = Agree strongly.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 56 to 224. Interpretation guidelines:
- Low personality disorder features: 56 – 112
- Moderate personality disorder features: 113 – 168
- High personality disorder features: 169 – 224
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Not specified in source text.
Administration
The scale is self-administered and typically takes approximately 15 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.