The Impact of Measurement Error on the Accuracy of Individual and Aggregate SGP SGP
- Author(s):
- McCaffrey, Daniel F.; Castellano, Katherine E.; Lockwood, J. R.
- Publication Year:
- 2015
- Source:
- Educational Measurement: Issues and Practice, v34 n1 p15-21, Spr 2015
- Document Type:
- Article
- Page Count:
- 7
- Subject/Key Words:
- Student Growth Percentiles (SGP), Bias Estimation, Teacher Accountability, Measuring Growth, Simulation-extrapolation, Error of Measurement