This document represents the technical appendix intended to accompany "Do Disadvantaged Students Get Less Effective Teaching? Key Findings from Recent Institute of Education Sciences Studies. NCEE Evaluation Brief. NCEE 2014-4010." Contents include: (1) Summary of Related, Non-Peer-Reviewed Studies; (2) Methods for Comparing Findings from the Sass et al. and Isenberg et al. Studies; and (3) Converting Standard Deviations into "Weeks of Learning." (Contains 3 endnotes and 6 tables.) [For the full report, see ED544675.]