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PAS®-O

Personality Assessment Screener®–Observer

Leslie C. Morey, PhD

Purpose:
Provides an observer perspective for a broad range of clinical problems
Format:
Paper and pencil
Age range:
18 years to 89 years
Time:
5 minutes
Qualification level:
S
S
A degree, certificate, or license to practice in a health care profession or occupation, including (but not limited to) the following: medicine, neurology, nursing, occupational therapy and other allied health care professions, physician's assistants, psychiatry, social work; plus appropriate training and experience in the ethical administration, scoring, and interpretation of clinical behavioral assessment instruments. Certain health care providers may be eligible to purchase selected "B" and "C" level instruments within their area of expertise. Specifically, relevant supervised clinical experience using tests (i.e., internship, residency, etc.) in combination with formal coursework ( i.e., Tests and Measurement, Individual Assessment, or equivalent) qualifies a health care provider to purchase certain restricted products. Any PAR Customer already qualified to purchase a "B" or "C" level product, is also qualified to purchase an "S" level product. If you are not already qualified to purchase a "B"or "C" level product from PAR, please download and complete the special Qualification Form for Medical and Allied Health Professionals. (You will need Adobe Acrobat to view.) Close

The PAS-O is a 22-item informant report designed to obtain information from an observer (such as a spouse, relative, or close friend) about a client. It screens for a broad range of clinical issues and was developed to complement the self-report PAS.

Features and benefits

  • Items are directly parallel to the 22 items on the self-report PAS and corresponding items on the parent instrument, the Personality Assessment Inventory (PAI).
  • Use in conjunction with the PAS or PAI to support and validate a client's PAS results and help inform the need for follow-up testing.
  • The only informant personality assessment normed on score discrepancies between informant and self-report.

Test structure

  • Can be completed in about 5 minutes.
  • Contains just two components—a carbonless Response Form and a Score Summary and Profile Form, on which clinicians can plot element raw scores, raw difference T scores, global dissimilarity scores, and configural similarity T scores.
  • Features 10 elements representing 10 distinct domains of clinical problems.
  • Written at a fourth-grade level.

Technical information

  • The PAS-O is a B- or S-level instrument, making it appropriate for clinical psychologists familiar with the PAS and PAI.
  • Normed on community (n = 504) and clinical (n = 201) samples composed of dyad pairs.
  • Internal consistency for the PAS-O Total score was .84 for the combined standardization sample (N = 705).
  • Evidence for validity is provided via strong cross-informant correlations, strong correlations with the PAI, and moderate correlations with measures of client over- and under-reporting.
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