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Download full textBond, Lloyd – Carnegie Foundation for the Advancement of Teaching, 2005
The writer calls attention to the many traps associated with one of the most frequent uses of assessment: the technical difficulties of measuring changes in learning over time. Noting that psychometricians don't like "change" or "difference" scores in statistical analyses because they tend to have lower reliability than the original measures…
Descriptors: Psychometrics, Teacher Education Curriculum, Educational Assessment, Reliability
