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Zhao, Xin; Coxe, Stefany; Sibley, Margaret H.; Zulauf-McCurdy, Courtney; Pettit, Jeremy W. – Prevention Science, 2023
There has been increasing interest in applying integrative data analysis (IDA) to analyze data across multiple studies to increase sample size and statistical power. Measures of a construct are frequently not consistent across studies. This article provides a tutorial on the complex decisions that occur when conducting harmonization of measures…
Descriptors: Data Analysis, Sample Size, Decision Making, Test Items
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Shutty, Michael S.; And Others – Journal of Consulting and Clinical Psychology, 1986
Chronic pain outpatients (N=600) randomly split and their symptom Checklist-90 responses were analyzed via a three-step factor analysis. A 10-factor model was judged most meaningful and statistically appropriate in the first-order analysis. The second-order analyses produced three factors. All factors replicated across the data halves, providing…
Descriptors: Factor Structure, Patients, Psychopathology, Test Interpretation
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Strauman, Timothy J.; Wetzler, Scott – Multivariate Behavioral Research, 1992
Scale-level factor analyses are reported for 2 self-report measures of psychopathology, the Symptom Checklist-90-R (SCL-90) and the Millon Clinical Multiaxial Inventory (MCMI), using 130 psychiatric inpatients and outpatients. Used separately, the measures offer limited interpretability of scale profiles. Their combined use permits differentiation…
Descriptors: Adults, Anxiety, Clinical Diagnosis, Comparative Testing