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Data-driven methods distort optimal cutoffs and accuracy estimates of depression screening tools: a simulation study using individual participant data
(Elsevier, 2021)
OBJECTIVE: To evaluate, across multiple sample sizes, the degree that data-driven methods result in (1) optimal cutoffs different from population optimal cutoff and (2) bias in accuracy estimates. STUDY DESIGN AND SETTING: ...
Teacher participation in English curriculum development
(School of Education, UWI, St. Augustine, 2003)
This article explores the nature, achievement, and implications of teachers' participation in English curriculum development by focusing on teachers' functions, defined as what teachers do. Responses to a questionnaire ...
An exploratory analysis of relationships between socioeconomic, land use, activity participation variables and travel patterns
(ELSEVIER SCI LTD, 2011)
This paper aims to find relations between the socioeconomic characteristics, activity participation, land use patterns and travel behavior of the residents in the Sao Paulo Metropolitan Area (SPMA) by using Exploratory ...
Evaluation of home detection algorithms on mobile phone data using individual-level ground truth
(2021)
Inferring mobile phone users’ home location, i.e., assigning a location in space to a
user based on data generated by the mobile phone network, is a central task in
leveraging mobile phone data to study social and urban ...
Selective cutoff reporting in studies of the accuracy of the Patient Health Questionnaire-9 and Edinburgh Postnatal Depression Scale: Comparison of results based on published cutoffs versus all cutoffs using individual participant data meta-analysis
(Wiley, 2021)
Objectives: Selectively reported results from only well-performing cutoffs in diagnostic accuracy studies may bias estimates in meta-analyses. We investigated cutoff reporting patterns for the Patient Health Questionnaire-9 ...