Search Results - subject:"Study Design"

Increasing Power for Tests of Genetic Association in the Presence of Phenotype and/or Genotype Error by Use of Double-Sampling

Gordon, Derek; Yang, Yaning; Haynes, Chad; Finch, Stephen; … - In: Statistical Applications in Genetics and Molecular Biology 3 (2007) 1, pp. 26-26

Phenotype and/or genotype misclassification can: significantly increase type II error probabilities for genetic case/control association, causing decrease in statistical power; and produce inaccurate estimates of population frequency parameters. We present a method, the likelihood ratio test...

Persistent link: https://www.econbiz.de/10005752577

A consensus process for identifying a prioritised list of study questions

Utley, Martin; Gallivan, Steve; Mills, Mary; Mason, Marisa - In: Health Care Management Science 10 (2007) 1, pp. 105-110

Persistent link: https://www.econbiz.de/10005718974

Design Priorities and Disciplinary Perspectives: The Case of the US National Children's Study

Michael, Robert T.; O'Muircheartaigh, Colm - Harris School of Public Policy, University of Chicago - 2006

The National Children's Study, undertaken in 2000 by collaboration among several federal government agencies led by NICHD, CDC, and EPA, is one of the largest and boldest longitudinal study of children's health ever undertaken. One of the key design issues has been the nature of the NCS sample....

Persistent link: https://www.econbiz.de/10005823041