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Evaluating dimensionality in non-cognitive measures: Exploratory vs. hierarchical exploratory graph analysis
Download2024-04-01
Wongvorachan, Tarid, Gorgun, Guher, Bulut, Okan
Network psychometrics is a new approach to exploring dimensionality of a measurement tool using partial correlations among items. In this study, we showcased the performance of exploratory graph analysis (EGA) and hierarchical EGA in detecting the true dimensional structure of non-cognitive...
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Evaluating the Psychometric Properties of the 18-month "Ages and Stages Questionnaires" using a Canadian Sample: Making Inferences about Decision Consistency from Item and Subscale-Level Data
DownloadFall 2014
Developmental screening tools, such as "Ages and Stages Questionnaires" (ASQ) are an important addition to the pediatric care to identify developmental delays at critical age periods. ASQ questionnaires have demonstrated good psychometric properties in the US context; however sample-dependent...
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2024-04-20
Armoush, Nour., Gorgun, Guher., Wongvorachan, Tarid, Gierl, Mark., Bulut, Okan.
Computer-based testing (CBT) has been growing more popular alongside the advancement of educational technology. As the demand for CBT rises, it is vital that large item banks are also being created. The traditional method of producing items is expensive, time consuming, and lacks scalability....
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2011-11-28
SSHRC Awarded IDG 2012: The proposed research addresses the consistency and accuracy of classification results produced by a cognitive diagnostic assessment. The objectives of the proposed research are to (1) evaluate the strengths and limitations of our two new statistical indexes in applied...
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Reflections on the Cost of "Low-Cost" Whole Genome Sequencing: Framing the Health Policy Debate
Download2014-10-24
Miller, Fiona A., Hogarth, Stuart, Evans, Jim, McCabe, Christopher, Pullman, Daryl, Joly, Yann, Szego, Michael J., Bubela, Tania, Fishman, Jennifer, Sankar, Pamela, Cook-Deegan, Robert, Biesecker, Barbara, Ravitsky, Vardit, Borry, Pascal, K. Cho, Mildred, Ungar, Wendy, J., Ossorio, Pilar, Kato, Kazuto, Wilson, Brenda, McGuire, Amy, Soo-Jin Lee, Sandra, Caulfield, Timothy, Rothenberg, Karen, Rousseau, Francois, Etchegary, Holly, Carroll, June C.
The cost of whole genome sequencing is dropping rapidly. There has been a great deal of enthusiasm about the potential for this technological advance to transform clinical care. Given the interest and significant investment in genomics, this seems an ideal time to consider what the evidence tells...