Describes a study designed to address the difficulties computer science undergraduates have in learning formal reasoning methods. Computer-based tools providing a mixture of graphical and textual on-screen help were evaluated, and results indicate the tools had a positive effect on the learning process. (Author/LRW)

To enhance the study of abstract knowledge and to make it a central concern in the study of cognition, and to explore the nature of abstractions and the function of abstraction, the seven chapters in this special issue formulate researchable hypotheses, propose working hypotheses, identify major phenomena, and outline possible educational…

This case study uses activity theory to analyze the conceptualization of teaching for an elementary school teacher in her first full-time job teaching a kindergarten/first-grade class. Findings center on teacher's use of integrations and the decentering of the classroom. Rather than sustaining concept of constructivist teaching, the teacher…

Twenty-four gifted children with learning disabilities and a control group of nondisabled gifted children were administered the Wechsler Intelligence Scale for Children-Revised. The 8- to 12-year-old subjects were found to be more reliant on verbal conceptualization and reasoning than controls and demonstrated deficiencies in short-term auditory…

Twenty-four 12- to 19-month-old children were studied to examine the cognitive basis for the emergence of verbs. Substantial increases in verb comprehension across contexts, abstract cognition, and the ability to engage in symbolic action were observed, suggesting a relationship between underlying cognitive development and increased verb…

This study assessed the extent to which procedurally proficient children (N=34) construct the part/whole logical structure that underlies the borrowing algorithm in subtraction. Results indicate that an understanding of the part/whole logic of number may be necessary to understand place value and borrowing. (TJH)

The theorems and proofs presented are designed to enhance student understanding of the theory of infinity as developed by Cantor and others. Three transfinite numbers are defined to express the cardinality of infinite algebraic sets, infinite sets of geometric points and infinite sets of functions. (DC)

Examines successful/unsuccessful distinctions between novices and experts in problem solving in terms of genetic knowledge, use of production rules, strategy selection, use of critical cues, use of logic, understanding of probability, and the thinking process itself. Suggests five implications for genetics instruction and provides three problems…

Four experiments investigated children's ability to notice and remember events in which the acquisition of factual information occurs. Results indicated that children tend to report they have known newly learned information for a long time, suggesting that children have some understanding of knowledge acquisition, but not at the level of adults.…

Examined the nature of perceptual classification in children and young adults. Found that most children attend selectively to one stimulus dimension when making perceptual classification judgments. Suggests that this developmental trend does not appear to be a holistic-to-analytic shift but rather a trend toward greater consistency in following a…

Two studies examined young children's ability to understand whether the actions of artifacts, insects, mammals, or humans were caused by mental or physical states. The studies suggest that children abstract specific features of action when construing its cause across disparate situations and actors. (MDM)

Examines classic fairy tales, noting the lack of attention given the role of imagination in children's learning. Discusses features of fairy stories such as structure, oppositional concepts, and emotional component, then infers four principles about young children's learning. Gives two examples of how these principles can influence teaching to be…

Tested Cooper and Fazio's dissonance model. Subjects made arguments that were consistent or inconsistent with their attitudes and were provided feedback about consequences. Attitude-change effect only occurred when behaviors were both inconsistent and resulted in aversive consequences. Results suggest that cognitive inconsistency may be necessary…

Proposes a new conceptual framework, embedded in a dynamic model, that accounts for children's failure to reason transitively. Examines five different models of transitive reasoning. Develops a model of how children initially represent and then use the ordered information available in the transitive inference model and how these processes change…

Two experiments investigated perceptual primacy of dimensional and similarity relations in stimulus classification of mentally retarded children. Results support a distinction between separable and integral stimulus structures, but do not support an integral-to-separable shift in perceptual development. Results suggest implications for…