Depending on age and the demands of the task, people may use different processing strategies in object categorization. Three-year-olds used a wholistic approach with strong effects of object typicality on three categorization tasks. Older children and adults showed differential effects of typicality, suggesting various strategies including…

The president of the National Council of Teachers of Mathematics argues that many mathematics textbooks feature unrealistic problems that do not teach problem solving or mathematical thinking. Realistic activities and games which will teach children to think are described, as are methods for teaching essential mathematics skills. (PP)

Jean Piaget's belief that children's developmental levels largely determine what they can learn is challenged. Research concerning the existence of cognitive structures in children is critiqued, and problems with administering Piagetian tasks are pointed out. Educators should not restrict children's exposure to learning because, according to…

Illustrates advantages of research on practical factors in reasoning. Discusses role of factual knowledge and diagnosis of specific task-based errors in reasoning, influence of individual aptitudes on reasoning, and effect of educational interventions designed to change reasoning. Presents Piagetian position for each position, discusses evidence…

Explored was the relationship between performance and gender for junior- and senior-high students (N=108) on six Piagetian-type tasks developed to measure infralogical spatial groupings. Results indicated a significant relationship between performance and gender on four tasks, in which males outscored females. Implications for science teaching are…

Presents two studies done to identify problems students have in understanding the concepts of Darwinian evolution and adaptation. Results indicated poor understanding of the concept of time accounted for misconceptions in both studies (humans destroyed dinosaurs), and that only about 50 percent of students used logical reasoning. (JN)

A course in therapeutic decision-making, designed by the Uniformed Services University of the Health Sciences is described. Goals were to introduce the student to a rational method of making therapeutic decisions and to give the student experience in formulating therapeutic plans. (MLW)

Piaget's characterization of formal operational thought and human judgment psychologists' model of bounded rationality are two conflicting models dealing with the nature and limits of mature thought. However, a look at the respective databases demonstrates their complementarity and their contribution to understanding mature cognition. (Author/RD)

The Logic Box, a mathematics laboratory device, is described. Students can solve simple problems, then go on and design moderately complex digital logic circuits in the program presented. (MP)

Evidence is provided to refute the suggestion, made by Macnamara et al. (1976), that four-year-old children perform logical operations corresponding to formal logic upon the sentential components of implicative verbs to produce indirect implications. It is argued that children use past knowledge plus additional premises to derive indirect…

Presents a rebuttal to Hidi and Hildyard's (1976) criticism of Macnamara et al.'s (1976) assertion regarding the ability of four-year-old children to grasp implicatives and presuppositions. (AM)

The article defends the teaching of philosophy at elementary and secondary levels and examines some existing precollege philosophy curricula; special attention is given to the American Institute for the Advancement of Philosophy for Children and a Canadian effort to establish moral education in the schools. (SB)

The Institute for the Advancement of Philosophy for Children, a nonprofit organization at Montclair State College in New Jersey, is dedicated to improving children's thinking skills and to training future elementary school teachers in the art of philosophical inquiry. (JMD)

These activities explore classification and logical reasoning by providing students with opportunities to generate multiple answers and engage in multiple classifications of the same item. No solutions are suggested so that students will look to themselves as the mathematical authorities. Sample items for classification include birthday months,…

Selects five critical elements for success in problem solving in mathematics and in computer programing: general strategy; planning; logical thinking; variables; and debugging. Describes the role of the five elements based on a literature review. Forty-one references are listed. (YP)