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'Phantom' Compositional Effects in English School Value-Added Measures: The Consequences of Random Baseline Measurement Error
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Perry, Thomas – Research Papers in Education, 2019
A compositional effect is when pupil attainment is associated with the characteristics of their peers, over and above their own individual characteristics. Pupils at academically selective schools, for example, tend to out-perform similar-ability pupils who are educated with mixed-ability peers. Previous methodological studies however have shown…
Descriptors: Value Added Models, Correlation, Individual Characteristics, Peer Influence