Glossary
- matrix-samplingsystematic or random selection of items from an overall pool of available items
- MCKmathematics content knowledge
- MGCFAmultiple-group confirmatory factor analysis
- MICEmultivariate imputation by chained equations
- MPCKmathematics pedagogy content knowledge
- multistage cluster samplinga probability sampling procedure according to which a sample is selected in two or more steps; in ILSAs, schools commonly comprise the primary sampling units (first sampling step), and students (often as an entire class) comprise the second sampling step