Supplemental Materials for 2024 SREE Data Harmonization Workshop Harmonization of Math Self-Efficacy measures in ELS:2002 and HSLS:09 Part 1: Treating items as continuous PDF Source code Part 2: Treating items as ordinal PDF Source code Part 3: Comparisons of harmonized scores PDF Source code Part 4: Using harmonized scores PDF Source code Re-analysis of Example by Kush et al. (2023) Alignment PDF Source code Bayesian moderated nonlinear factor analysis PDF Source code