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Ryu, Ehri; West, Stephen G.; Sousa, Karen H. – Multivariate Behavioral Research, 2009
We extended Wilson and Cleary's (1995) health-related quality of life model to examine the relationships among symptom status (Symptoms), functional health (Disability), and quality of life (QOL). Using a community sample (N = 956) of male HIV positive patients, we tested a mediation model in which the relationship between Symptoms and QOL is…
Descriptors: Quality of Life, Questionnaires, Patients, Symptoms (Individual Disorders)
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Woods, Carol M. – Multivariate Behavioral Research, 2009
Differential item functioning (DIF) occurs when an item on a test or questionnaire has different measurement properties for 1 group of people versus another, irrespective of mean differences on the construct. This study focuses on the use of multiple-indicator multiple-cause (MIMIC) structural equation models for DIF testing, parameterized as item…
Descriptors: Test Bias, Structural Equation Models, Item Response Theory, Testing
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O'Grady, Kevin E.; And Others – Multivariate Behavioral Research, 1979
Male and female undergraduate psychology students were administered the Adjective Check List, Bem Sex Role Inventory and Personal Attributes Questionnaire. The masculinity and femininity subscale scores for each of these three measures were correlated and subjected to a principal factor analysis with varimax rotation separately for males and…
Descriptors: Check Lists, Comparative Testing, Factor Analysis, Females