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.…

Five countable indices of writing quality were examined for their suitability in making special education screening-eligibility decisions, based on writing samples from 2,160 students. Even the best index was only moderately efficient. "Percentage of words spelled correctly" was best overall, and "percentage of correct word sequences" was best for…

This study used a seven-stage instructional methodology to successfully teach a comprehensive test-taking strategy to six secondary learning-disabled students. Evidence of maintenance and generalization is reported. In the second article, answers are presented to questions about strategy training in general and this study in particular. (Author/DB)