Article

Comparing the use of sum-scores and Item Response Theory’s person location scores as measures of Functional Somatic Symptoms

2021-04-15

Abstract excerpt

<p>Purpose: This study aims to compare the use of sum-scores and person location scores from Item Response Theory (IRT) as outcome measures of Functional Somatic Symptoms (FSS) in an epidemiological study. <h4>Method:</h4> Data from 1247 participants (60% female) from the Tracking Adolescents' Individual Lives Survey (TRAILS) general population cohort study at the fifth (mean age = 22.2, SD = 0.64) and sixth (mean...

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Literature Corpus work: 990c1870-2059-5dc8-9dba-486d24ed5cf1
DOI: 10.31234/osf.io/6f4t3

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