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Download full textSani, Claudia; Grilli, Leonardo – Journal of Applied Quantitative Methods, 2011
The performance of a school system can be evaluated through the learning levels of the pupils, usually summarized by school mean scores. The variability of the mean scores among schools is rarely studied in detail, though it is a crucial issue especially in primary schools: in fact, a high variability among schools raises doubts on the capacity of…
Descriptors: Foreign Countries, School Districts, Academic Achievement, Institutional Evaluation
Peer reviewedAiken, Leona S.; Williams, Tannis M. – Developmental Psychology, 1973
The results provide evidence of remarkable consistency in both accuracy and manner of performance from first grade through college age levels. (Authors)
Descriptors: Adults, Age Differences, Concept Formation, Data Analysis
