Psychometric Validation of the Preschool Outcome Questionnaire: A Preschool Treatment Outcome Instrument |
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Authors: | David H. Barker Thad Q. Lloyd Peter K. Stewart M. Gawain Wells |
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Affiliation: | (1) Department of Psychology, University of Miami, 5665 Ponce de Leon Blvd., Coral Gables, FL 33156, USA;(2) Department of Psychology, Brigham Young University, Provo, UT, USA;(3) Private Practice, Richland, WA, USA |
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Abstract: | Developing normed treatment outcome measures is important to research addressing treatment effectiveness and to improved clinical care. The Preschool Outcome Questionnaire (POQ) is a new measure designed for use with preschool children aged two to six. Designed in collaboration with parents and clinicians, the POQ is brief, easy to administer, score and interpret. This study reports on the instrument’s psychometric evaluation, contains preliminary normative data, and provides a clinical cut-off and a reliable change index to facilitate clinical use of the instrument. Results show that the POQ has acceptable test–retest and internal reliability, concurrent validity and criterion validity. Importantly, results also show that the instrument is sensitive to clinically relevant change. Clinical implications are discussed as well as suggestions for further research. |
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