Slow Down, You Move Too Fast

Once again, those of us on the technical side of large-scale assessment and educational measurement find ourselves behind the curve. In the 1990s, the public clamored for achievement levels and criterion-based results while we were comfortable reporting percentile ranks and grade equivalent scores. Just as we were “getting a handle” on standard setting and percentContinue reading “Slow Down, You Move Too Fast”

Matrix Sampling: Resurrected

It is impossible to read an article or hear a presentation about the future of large-scale state testing without some discussion of matrix sampling. If your primary concerns about large-scale testing are time and cost, the answer is matrix sampling. If your primary concern is coverage of comprehensive and complex standards like the Next GenerationContinue reading “Matrix Sampling: Resurrected”

Reliability: Measurement’s Middle Child

Validity. Reliability. Fairness. Reliability is one of the big three foundations of educational measurement and testing. It’s right up there with a chapter of its own in the Part 1 of the joint Standards along with Validity and Fairness. We’re supposed to love and respect them all the same. But we all know that ReliabilityContinue reading “Reliability: Measurement’s Middle Child”