INTRODUCTION TO MEDIATION, MODERATION, AND CONDITIONAL PROCESS ANALYSIS, FIRST EDITION: A REGRESSION-BASED APPROACH (METHODOLOGY IN THE SOCIAL SCIENCES) By Andrew F. Hayes – Hardcover **Mint Condition**.
INTRODUCTION TO MEDIATION, MODERATION, AND CONDITIONAL PROCESS ANALYSIS, FIRST EDITION: A REGRESSION-BASED APPROACH (METHODOLOGY IN THE SOCIAL SCIENCES) By Andrew F. Hayes – Hardcover **Mint Condition**.