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PAI Summary

Age: 18+
Time: 60 minutes
Uses: counseling, clinical, screening for psychopathology
Test User Qualifications:
  Level C qualifications required
  Hand scoring available
  Available in English


Personality Assessment Inventory

Leslie C. Morey, Ph.D. © 1991

The Personality Assessment Inventory (PAI) provides information relevant for clinical diagnosis, treatment planning and screening for psychopathology. The PAI covers constructs most relevant to a broad-based assessment of mental disorders.


  • Provides information relevant for clinical diagnosis, treatment planning and screening for psychopathology.


This 344-item instrument requires 50-60 minutes to administer. Each item is rated on a 4 point scale ranging from false, not at all true, to very true. The PAI consists of 22 non-overlapping full scales covering the constructs most relevant to a broad-based assessment of mental disorders: 4 validity scales, 11 clinical scales, 5 treatment scales, and 2 interpersonal scales. To facilitate interpretation and cover the full range of complex clinical constructs, 10 full scales contain conceptually derived subscales.

Reliability and Validity

The PAI is a thoroughly validated instrument with data from three (3) samples:

(a) a census-matched normative sample of 1000 community-dwelling adults (matched on the basis of gender, race and age);

(b) a sample of 1265 patients from 69 clinical sites;

(c) a college sample of 1051 students .

Reliability studies show that PAI scales have a high degree of internal consistency. Validity studies demonstrate the convergent and discriminant validity of PAI scales with more than 50 other measures of psychopathology.

Hand Scoring

Responses are entered on a 2-part carbonless answer sheet. The bottom page of the answer sheet provides scores for all 344 items. Full scales and subscales can be scored in 15-20 minutes. PAI Profile forms allow you to rapidly translate raw scores to T scores and plot the pattern of test results. The adult profile forms contain a blue line demarcating the distribution of scores for a large sample of clinical cases. This feature facilitates comparison of an individual's scores with those in a clinical sample. The Critical Items Form (CIF) lists 27 items distributed across 7 content areas that suggest the existence of behavior or psychopathology that may demand immediate attention. Designed to facilitate follow-up questioning, the CIF provides space to record your client's comments about his or her endorsement of the critical items.


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PAI Materials

The PAI Manual provides information on administration and scoring of the PAI, interpretation, descriptive statistics, development, reliability studies, validity studies and more.

PAI Examination Kit
The kit includes a manual, 2 soft cover item booklets, 2 administration folios, 25 hand scorable answer sheets, 25 adult profile forms and 25 critical item forms.
Item No. 18701 ... $328.00
PAI Test Manual
Item No. 18702 ... $78.00

Related Items

Basic Personality Inventory

The BPI is a multiphasic personality inventory intended for use with both clinical and normal populations to identify sources of maladjustment and personal strengths.

Coolidge Assessment Battery

The CAB was designed to assess: (1) clinical syndromes on Axis I of the DSM, (2) personality disorders according to strict criteria on Axis II of the DSM, and (3) neuropsychological functioning.

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