Student Growth Percentiles
Student growth percentiles (SGPs) describe how much a student grew academically relative to peers with similar score histories. Introduced by Damian Betebenner in 2009, the method fits a series of conditional quantile regressions of a current test score on prior scores, then reports each student's growth as the percentile rank they occupy within the distribution of students who had the same starting point. A student at the 70th growth percentile grew faster than 70 percent of academic peers, regardless of their absolute achievement level.
Source record
Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.
- Betebenner, D. W. (2009). Norm- and criterion-referenced student growth. Educational Measurement: Issues and Practice, 28(4), 42–51. · DOI 10.1111/j.1745-3992.2009.00161.x
- Koenker, R. (2005). Quantile Regression. Cambridge University Press. · ISBN 9780521845731
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Related methods
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