The epidemiological concept of confounding has had a convoluted history. It was first expressed as an issue of group non-comparability, later as an uncontrolled fallacy, then as a controllable fallacy ...
Confounding is a major issue in observational studies, and it is a bias that needs to be corrected, controlled or adjusted for whatever your research question is. In this lecture we will review the ...
Traditionally, educational and developmental researchers considered the experimentation skills of elementary school children to be deficient (Inhelder and Piaget, 1958; Klahr et al., 1993). The ...
Health Services Research Unit, Department of Community Medicine, University of Tromsø, Tromsø, Norway Often a mediator-response confounder goes unmeasured; when this happens one basically has to ...
There have been numerous reports on association between attention-deficit/hyperactivity disorder (ADHD) and overweight/obesity in children and adolescents; however ...
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