Educational Research

Portfolio assessment measurement is the practice of gathering a student’s work across weeks or months and scoring that collection against

Rubric calibration methods are structured procedures that help several scorers apply the same scoring guide in the same way. When

Rater training effects describe how the preparation given to people who score student work changes the grades they assign. When

Grading policy research is the study of how schools decide what grades mean, how those grades are calculated, and what

Assessment validity studies are research projects that examine whether a test actually measures the skill or knowledge it claims to

Standardized test research is the body of studies that examines how well large-scale tests measure what they claim to measure,

Variable measurement mapping is a planning step in which researchers record exactly how each idea they study will be turned

Operationalization of variables is the step in research where an abstract idea becomes something that can be observed, counted, or

Residual diagnostics are a set of checks researchers use to see whether a statistical model fits the data well enough

Model fit indices are numerical summaries that show how well a statistical model reproduces the patterns found in a set