Observes 75 first- and third-grade children in their classroom mathematics seatwork to test assumptions drawn from Vygotsky's theory about the development of private speech and its relationship to task performance, attention, and motor behaviors accompanying task orientation. (HOD)

Examined whether indexes of verbal imprecision could be quantified and used to predict changes in fifth graders' problem-solving performance. Found that four types of verbal imprecision predicted improved performance: false starts and self-repairs, deletions, long pauses, and metacognitive comments. Results suggested that adopting a new approach…

This booklet contains proceedings of the Fourth Conference of the University/Urban Schools National Task Force. The conference was held to present information about four programs designed to help high school students to sharpen their reasoning skills. Criteria for program development state that: (1) the program can be taught to teachers in a…

This preschool program offered a highly structured curriculum in which language development was fostered through encouraging verbal responses in a game format context. The curriculum, based on skills and concepts required for success in elementary school, included language arts, reading readiness, mathematical concepts, science, and social…

This study was designed to investigate the role of culture and education in the development of formal operational thought, by comparing the results achieved by suburban American youths, American educated youths who were recent migrants, and youths who had been educated in Puerto Rico. It was hypothesized that the suburban youths and Puerto Rican…