Introduction to Mediation, Moderation, and Conditional Process Analysis

*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.