Sections include: experiments and generalised causal inference; statistical conclusion validity and internal validity; construct validity and external validity;

This book presents some quasi-experimental designs and design features that can be used in many social research settings. The designs serve to probe causal hypo

The contributors to Best Practices in Quantitative Methods envision quantitative methods in the 21st century, identify the best practices, and, where possible,

We shall examine the validity of 16 experimental designs against 12 common threats to valid inference. By experiment we refer to that portion of research in whi