This appendix provides the details that underlie the analyses reported in the evaluation brief, "After Two Years, Three Elementary Math Curricula Outperform a Fourth." The details are organized in six sections: Study Curricula and Design (Section A), Data Collection (Section B), Construction of the Analysis File (Section C), Curriculum Effects on Student Math Achievement (Section D), Curriculum Implementation (Section E), and Effects of Switching Curricula (Section F). (Contains 19 footnotes, 35 tables, and 2 figures.) [For the full report, see ED544185.]