Although it has been proposed that the ability to compare numerical magnitudes is related to mathematics achievement, it is not clear whether this ability "predicts" individual differences in later mathematics achievement. The current study addressed this question in typically developing children by means of a longitudinal design that examined the…

Compared 40 3-year-olds' superordinate level classification under 2 experimental conditions. Although there was no mean difference between the 2 conditions, there were striking differences in the distribution of scores. (RJC)

Three experiments were conducted with the Tower of Hanoi task to assess problem-solving ability in 6-, 7-, 8-, and 10-year-old nonretarded children and mentally retarded young adults of varying maturational ages. (Author/MP)

This experiment is concerned with delineating various aspects of pretraining that contributed to the improved hypothesis-testing strategies of 150 kindergarten children. (MP)

The effect of orthographic structure on the word search performance of good and poor third-grade readers is examined. (MP)

This microgenetic experimental study examined children's spontaneous application of analogical problem solving from story problems to physical tasks. Results indicated that 4-year-olds did, with varying success, spontaneously apply analogical solutions to physical problems across sessions. A few children even gave an analogical strategy-related…

Examined the relative contributions of internal and external sources of variation in children's suggestibility in interrogative situations. Found that internal sources of individual differences in suggestibility measured on a suggestibility test did influence children's answers during an interview, but that external sources or interview styles had…

Examined impact of phonological-awareness training with or without explicit attention to articulation and with or without manipulation of sounds. Subjects were 7- to 11-year olds with reading difficulties. Found that children in all training conditions outperformed controls on all tests except math. Individual differences in response related to…

Compared rate of conflict, conflict resolution, and the appearance of reflection on emotions and literate language in friend and nonfriend dyads of kindergarten children. Found that, although rates of conflicts were similar, friends resolved conflicts more frequently than nonfriends and generated more emotional and literate language. Support was…

Compared performance of first and second graders with normal intelligence but with learning disabilities (LD) in mathematics, reading, or both and children with variable achievement test performance to that of academically normal peers on experimental and psychometric tasks. Found that LD groups showed specific cognitive deficit patterns; children…

Compared effects of a computer-assisted remedial reading program providing speech-supported reading in context with or without explicit phonological training. Found that phonologically trained second to fifth graders gained more in phonological skills and untimed word reading than untrained children. Children with more contextual reading gained…

Examined in three studies EuroCanadian and Native Canadian children's memory for stereotypic behaviors attributed to ingroup and outgroup members. Found that outgroup favoritism, typically found among low-status group members, was reversed among Native Canadian children attending a heritage school. Age and cognitive development level predicted…