Describes a study of the relationship between performance on word problems and general reading ability, certain problem-solving reading and thinking skills, and computation skills. (DD)

Examines whether eighth grade students acquired measurable knowledge about unfamiliar words while reading natural text. Suggests that incidental learning from context accounts for a substantial proportion of the vocabulary growth that occurs during the school years. (HOD)

Instruction in one eighth-grade history teacher's classes varied between use and nonuse of vocabulary recognition materials for difficult words to study the possible effect of such materials on test scores. The vocabulary recognition materials were used to augment four chapters of the history textbook that the students studied, while four chapters…