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| Exceptionality: A Research… | 1 |
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Peer reviewedMacMillan, Donald L.; And Others – Exceptionality: A Research Journal, 1990
Arguing that reliable and valid dropout rate estimates are prerequisite to establishment of causal factors and intervention programs, this article examines differences in definitions of dropouts, computational methods, and the complexities in defining cohorts, as well as the importance of sample attrition. Several sources of error are discussed.…
Descriptors: Attrition (Research Studies), Definitions, Disabilities, Dropout Rate
