Planning and Analysis of Observational Studies Группа авторов

Treats studies, primarily in human populations, that show casual effects of certain agents, procedures, treatment or programs. Deals with the difficulties that comparative observational studies have because of bias in their design and analysis. Systematically considers the many sources of bias and discusses how care in matching or adjustment of results can reduce the effects of bias in these investigations. Это и многое другое вы найдете в книге Planning and Analysis of Observational Studies (Группа авторов)