PedsQL™ 4.0: Reliability and Validity of the Pediatric Quality of Life Inventory™ Version 4.0 Generic Core Scales in Healthy and Patient Populations

Varni, James W; Seid, Michael; Kurtin, Paul S

doi:10.1097/00005650-200108000-00006

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PedsQL™ 4.0: Reliability and Validity of the Pediatric Quality of Life Inventory™ Version 4.0 Generic Core Scales in Healthy and Patient Populations

Author(s): James Varni, Michael Seid, Paul Kurtin

Publication date: 2001

Journal: Medical Care

Publisher: Ovid Technologies (Wolters Kluwer Health)

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Most cited references 22

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Coefficient alpha and the internal structure of tests

Lee Cronbach (1951)

Psychometrika, 16(3), 297-334

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Psychometric considerations in evaluating health-related quality of life measures.

Blair Anderson, Tom S. Hays, D Revicki (1993)

How does one determine if a measure of health-related quality of life (HRQL) is adequate for clinical trials? Psychometric methods are frequently used to answer this question. What is psychometrics all about? In this paper we address these questions, discussing common psychometric evaluation procedures applied to HRQL measures. Specifically, we discuss issues regarding the evaluation of reliability and validity (including responsiveness).