Conducting Research in Psychology: Measuring the Weight of Smoke provides students an engaging introduction to psychological research by employing humor, stories, and hands-on activities. Through its methodology exercises, learners are encouraged to use their intuition to understand research methods and apply basic research principles to novel problems. Authors Brett W. Pelham and Hart Blanton integrate cutting-edge topics, including implicit biases, measurement controversies, online data collection, and new tools for determining the replicability of a set of research findings. The Fifth Edition broadens its coverage of methodologies to reflect the types of research now conducted by psychologists. Two new chapters accommodate the needs of instructors who incorporate student research projects into their courses.