Matt E. Jans

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Taylor & Francis makes every effort to ensure the accuracy of all the information (the “Content”) contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for any purpose of the Content. Any opinions and views(More)
OBJECTIVES We explored changes in sexual orientation question item completion in a large statewide health survey. METHODS We used 2003 to 2011 California Health Interview Survey data to investigate sexual orientation item nonresponse and sexual minority self-identification trends in a cross-sectional sample representing the noninstitutionalized California(More)
This study investigates how an onscreen virtual agent's dialog capability and facial animation affect survey respondents' comprehension and engagement in "face-to-face" interviews, using questions from US government surveys whose results have far-reaching impact on national policies. In the study, 73 laboratory participants were randomly assigned to respond(More)
We evaluated alternative approaches to imputation for univariate estimates and multivariate regression analyses of physiological health measures collected in the 2003-2004 National Health and Nutrition Examination Survey (NHANES). From the NHANES public use data files we selected 5041 respondents age 20+ who provided questionnaire or medical exam data.(More)
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