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PIY. Personality Inventory for Youth David Lachar , PhD, and Christian P. Gruber, PhD. The answer to the need for a multidimensional, psychometrically sound self -report instrument designed specifically for young people. What Is the PIY? Personality Inventory for Youth.

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Personality Inventory for YouthDavid Lachar, PhD, and Christian P. Gruber, PhD

The answer to the need for a multidimensional, psychometrically sound self-report instrument designed specifically for young people

What is the piy personality inventory for youth
What Is the PIY? Personality Inventory for Youth

  • Designed to assess emotional and behavioral adjustment, family character and interaction, and neurocognitive and attention-related academic functioning

  • Created for and normed on 9- to 19-year-olds (4th through 12th graders)

  • Completed in 45 minutes by most students reading at grade level 3 or higher, with audio cassette for poor readers and Spanish Administration Booklet

  • Validity scales that alert you to problem denial, exaggeration, and random or incompetent responding

  • Subscales to enhance scale interpretation

  • A parallel inventory (the PIC-2) and a teacher problem checklist (the SBS)

  • Both hand and computer scoring services are available

Piy validity scales
PIY Validity Scales


  • Identifies protocols answered carelessly or with inadequate comprehension

  • Points to evidence that an individual has attempted to exaggerate or malinger symptomatology

  • Demonstrates the tendency to disguise or hide psychopathology

  • Provides additional evidence of inattentive, oppositional, or provocative responses that may assist in clarifying the meaning of other scales




Abbreviated format piy
Abbreviated-Format PIY

  • The first 80 items of the PIY can be used as a brief classroom screener to quickly identify students who would show problems if the full inventory were administered

  • This Classroom Screening (CLASS) scale accurately predicts the likely presence of clinical findings in a full PIY administration

  • CLASS assists in identifying high-risk students


The PIY is composed of 270 items covering 9 non-overlapping clinical scales and 24 nonoverlappingsubscales.

The 24 subscales reveal more specific clinical content, making the PIY an excellent diagnostic tool.

Piy scales and subscales
PIY Scales and Subscales

  • Cognitive Impairment

    • Poor Achievement and Memory

    • Inadequate Abilities

    • Learning Problems

  • Impulsivity/Distractibility

    • Brashness

    • Distractibility and Overactivity

    • Impulsivity

  • Delinquency

    • Antisocial Behavior

    • Dyscontrol

    • Noncompliance

Piy scales and subscales continued
PIY Scales and Subscales (continued)

  • Family Dysfunction

    • Parent-Child Conflict

    • Parent Maladjustment

    • Marital Discord

  • Reality Distortion

    • Feelings of Alienation

    • Hallucinations and Delusions

  • Somatic Concern

    • Psychosomatic Syndrome

    • Muscular Tension and Anxiety

    • Preoccupation With Disease

Piy scales and subscales continued1
PIY Scales and Subscales (continued)

  • Psychological Discomfort

    • Fear and Worry

    • Depression

    • Sleep Disturbance

  • Social Withdrawal

    • Social Isolation

    • Isolation

  • Social Skills Deficits

    • Limited Peer Status

    • Conflict With Peers


  • The PIY is supported by extensive research and an array of interpretive strategies for routine use

  • Selected case studies demonstrate the value of the PIY in a wide variety of school, psychiatric, and neuropsychological applications

  • The PIY gives a reliable and valid measure of child and adolescent psychopathology, based on the respondent’s own perceptions

Piy standardization base
PIY Standardization Base

  • Sample of 2,327 regular education students

  • Students ranged from 9 to 19 years of age, in Grades 4 through 12

  • Nationally extensive and representative coverage for gender, ethnicity, and parent educational level (SES) across various age groups

Piy clinical research base
PIY Clinical Research Base

  • Sample of 1,178 clinically referred participants

  • Collection through various in- and outpatient clinic and special education settings

Sample wps test report


For more information contact: