3:30pm to 4:30pm |
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Statistics Thursday Colloquium
(Seminar/Conference)
Host: Department of Statistics
Time: September 27, 2012, 3:30pm
Location: 300 Seitz Hall
Reception: Following the seminar, please join us for refreshments at Top of the Stairs (217 College Ave.)
Speaker: Benjamin Knapp, Director, Institute for Creativity, Arts, and Technology, Virginia Tech
Title: Research at the Nexus of Engineering, Science, Art, and Design
Abstract: Correlated outcomes commonly occur in biomedical and health service research. Examples include repeated measurement studies, clustered outcome studies such as dental studies, ophthalmologic studies, and community intervention studies. The correlations among observations must be taken into consideration in the design due to the potential association for observations within a cluster. I present parametric and nonparametric methods to calculate sample sizes and powers for studies with correlated outcomes. Design and analysis of correlated outcomes will be illustrated using examples from studies of diagnostic sensitivity and specificity, community intervention studies and repeated measurement studies.
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