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Gaining Ground in the Middle Grades: Research Methodology and Analyses
February 2010 21 pages
For the complete materials pertaining to this study, please see our Middle Grades Study page.
Technical Appendix: Research Methodology and Analyses
- Overview
- Number of schools included in analyses for each outcome, by sample and surveys
- Constructing the survey data file
- Constructing composite independent variables (subdomains)
- Versions of school-level average teacher survey items
- Constructing longitudinal outcome variables
- Constructing data files for analysis
- Demographic (or "baseline") variables in final regression models
- Specifying predictor pools
- Regression analyses
- Total number of regression models estimated for study
- Statistical comparisons across study domains
- Illustration of predicted power of the ten domains in explaining variation in cross-sectional 6th grade ELA CST outcomes using final principal plus teacher model
EdSource thanks Reed Hastings, CEO of Netflix, for his generous support of this study.