'Ascertainment bias' diaporamas de présentation

Avoiding bias in RCTs

Avoiding bias in RCTs. David Torgerson Director, York Trials Unit djt6@york.ac.uk www.rcts.org. A reminder. Randomised trials are needed for 4 reasons: Avoiding selection bias; Controlling for temporal changes; Controlling for regression to the mean; Basis for statistical inference.

704 views • 49 slides

Hyperfertility: the Paradox of Plenty

Hyperfertility: the Paradox of Plenty. Louis Keith, MD, PhD Professor Emeritus, Department of Obstetrics and Gynecology, Northwestern University, Chicago, IL Adjunct Professor, Department of Maternal and Child Health, School of Public Health, University of Alabama at Birmingham. Basic Premise.

1.16k views • 37 slides

Lecture 7: Linkage Analysis I

Lecture 7: Linkage Analysis I. Date: 9/16/02 Clean up segregation analysis. Steps of Segregation Analysis. Identify mating type(s) where the trait is expected to segregate in the offspring. Sample families with the given mating type from the population.

574 views • 36 slides

Implications of database searches for DNA profiling statistics

Implications of database searches for DNA profiling statistics. Dan E. Krane, Wright State University, Dayton, OH Forensic DNA Profiling Video Series. Forensic Bioinformatics (www.bioforensics.com). DNA databases. DNA profiles lend themselves to database storage and searches

398 views • 28 slides

438 views • 24 slides