George Warren Brown School of Social Work at Washington University in St. Louis
Center for Mental Health Services Research

CMHSR Measures Collection

Psychological Screening Inventory (PSI) (1970)

Location: D14

AUTHOR: Lanyon, R. I.

SOURCE:
Vieweg, B. W. & Hedlund, J. L. (1984). Psychological Screening Inventory: A comprehensive review. Journal of Clinical
    Psychology, 40(6), 1382-1393.

VARIABLE(S) MEASURED:
Alienation, Social Non-conformity, Discomfort, Expression, and Defensiveness.

PURPOSES:
The scale was developed for use in routine screening situations in social services or health settings, and to aid in detecting persons who might profitably receive more extensive examination.

DESCRIPTION/DEVELOPMENT:
The inventory consists of 130 true/false items which include 5 subscales: Alienation (AL)—a measure of the respondent’s similarity to hospitalized psychiatric patients (25 items); Social Non-conformity(SN)—a measure of the respondent’s similarity to incarcerated prisons (25 items); Discomfort(DI)—a measure of the personality dimension of anxiety or perceived maladjustment (30 items); Expression (EX)—a measure of the personality dimension of extraversion or undercontrol (30 items); and Defensiveness (DE)—a measure of the degree of defensiveness that characterizes the examinee’s responses (20 items). The majority of items refer to current status, with only a few related to the past.

SUBJECTS:
The inventory has been used for college undergraduate students and young adolescents (ages 13—16), and “normal” test protocols .

ADMINISTRATION:
The inventory is a relatively brief, easy to administer and score screening instrument. It was designed for use by a wide range of professional mental health workers. It may be administered in either individual or group settings.

SCORING:
Scoring is accomplished by applying “scoring keys” to the front and back of the questionnaire for each of the five scales.

RELIABILITY:
1. Internal consistency: For undergraduates, it is from .51(DE) to .85(DI).
                                       For adolescents, it is from .39 (AL) to .70 (SN).

2. Test-retest reliability: (Undergraduates)
                                        Interval of 4 weeks: from .66(AL and DE) to .95(SN).
                                                    Interval of 10 days: from .73(AL) to .89(SN).

VALIDITY:
1. Construct validity: each of the PSI scales correlates moderately well and in the expected direction with other well-known scales for assessing similar (or related ) constrcts—MMPI, MPI (Maudsley Personality Inventory), EPI (Eysenck's PEN Inventory), and CPI (California Personality Inventory).
2. As a general screening device, the predictivity of the PSI is high--above .80.

COMMENTS: The measure is on file.


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