Timothy L. Lash

A text on the principles and methods of epidemiologic research. It covers a range of concepts and methods, such as basic measures of disease frequency and associations, study design, field methods, and threats to validity. It also covers advanced topi ...

This text provides the first-ever compilation of bias analysis methods for use with epidemiologic data. It guides the reader through the planning stages of bias analysis, including the design of validation studies and the collection of validity data from other sources. Three chapters present methods for corrections to address selection bias, unc...