Introduction to Mediation, Moderation, and Conditional Process Analysis / 3rd Edition

Bestselling reference and text, now updated: 35% new material encompasses extensive updates, the release of PROCESS for R, and new code for R with every example. *Provides the only documentation for PROCESS v3, Hayes' free macro for SPSS, SAS, and R that takes the computational burden off the researcher. *Includes tips and advice, and explains each step in an analysis using compelling examples from real studies (for example, workplace dynamics, media influences).

Helps readers understand the link between statistics and causality, as well as what the data are telling them. *Hayes conducts workshops worldwide and gets raves for his blog and discussion board; his website offers free PROCESS downloads plus data files for the book's examples.