The purpose of this report is to describe findings from analyses conducted on data collected from the IDEA "Feedback System for Chairs" (FSC) from 2013 to 2016. The report begins with an explanation of the purpose of the system and the current structure of the "Chair Self-Assessment" (CSA) and "Faculty Perceptions of Chair" (FPC) instruments. This is followed by a description of the 2013 to 2016 database, results of statistical analyses, and empirical evidence that supports the reliability and validity of the instruments.