Ages 12 To 18 years old

      By Kenneth D. Gadow, Ph.D., and Joyce Sprafkin, Ph.D.


The Youth's Inventory-4 (YI-4) is a self-report rating scale that helps to evaluate  DSM-IV emotional and behavioral disorders in youths between 12 and 18 years old.  Responses to the YI-4 can provide valuable insight into the youth's perceptions of his or her problems.  The YI-4 contains 120 items that correspond to those in the Adolescent Symptom Inventory-4 and includes the symptoms of 18 disorders.  The YI-4 can be scored to derive Symptom Count scores (diagnostic model) or Symptom Severity scores (normative data model).  Scoring is quick and easy with user-friendly score sheets.

DISORDERS INCLUDED: *AD/HD   *Oppositional Defiant Disorder   *Conduct Disorder   *Generalized Anxiety Disorder   *Social Phobia   *Separation Anxiety Disorder   *Obsessive-Compulsive Disorder   *Specific Phobia   *Panic Attacks   *Major Depressive Disorder   *Dysthymic Disorder   *Bipolar Disorder   *Schizophrenia   *Motor Tics   *Vocal Tics   *Schizoid Personality Disorder   *Somatization Disorder   *Anorexia Nervosa   *Bulimia   *Drug Use

RESEARCH:  YI-4 Manual presents research on screening prevalence rates in norm and clinic samples, concurrent validity with other self-report measures, correspondence with psychiatric diagnoses, discriminant validity, gender differences, and distributions of Symptom Count and Symptom Severity scores in the norm sample.  The norm sample (N=573) consists of youths between 12 and 18 years old who attend public middle and secondary schools.  T scores and raw scores are presented on Symptom Severity Profile score sheets.

PRODUCT INFORMATION:  The Youth's Inventory-4 Manual (1999) presents research, normative data, scoring guidelines, and clinical applications for Symptom Count and Symptom Severity scores.   The YI-4 Symptom Severity Profile score sheets list T scores (and corresponding raw scores) and provide an easy to use scoring format.  The YI-4 Deluxe Kit contains the YI-4 Manual, 50 YI-4 Checklists,  50 Symptom Count score sheets, and 50 Symptom Severity Profile score sheets.



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YI-DK  YI-4 Deluxe Kit  $92.00
YI-M  YI-4 Manual $27.00
YI-50 YI-4 Checklist (pkg. 50) $63.00
YI-50SP YI-4 Checklist in SPANISH  - (pkg. 50) $63.00
YI-P  Symptom Severity Profiles for YI-4 Checklist (pkg. 50) $17.00



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Revised: January 23, 2016