A series of tests of dimensional understanding showed that there was a hierarchical sequence, with three year olds able to handle less complex tasks than four year olds. (Editor)

Presents a basic examination of non-physical mental acts as educational objectives. (Author)

American thought has contained a strong metaphysical bias favoring a realist interpretation of the world, and this has led to the assumption that facts possess ontological status, however, facts are segments of human experience and students must acquire conceptual tools for extracting factual data from experience. (JD)

Investigates several key statements from Piaget's cognitive psychology and their meaning for science education. Concludes that teaching must be conducted as reversibly as possible so that when the teacher presents his own assimilation schemata it will be equilibrated by the pupils' schemata. (GA)

Argues that the best way to cultivate children's reasoning is to make philosophy an essential part of the elementary school curriculum. Philosophy alone provides the logical criteria for distinguishing better thinking from poorer. The author's "Philosophy for Children" program is described. (TE)

Presents a developmental study of children's understanding and appreciation of figurative language. Results replicated previous findings that kindergarten children are capable of interpreting figurative language whereas appreciation appears to require increased cognitive sophistication. (JMB)

The development of children's comprehension of cause and effect relationships was studied in 68 kindergarten, first grade, and second grade children. (BRT)

In earlier research the writer was constrained by the variables which were continuously appearing in both experimental class teaching experiences and various psychological experiments to distinguish four levels of cognitive sophistication in so far as mathematical material was concerned between the ages of 7 years and 17 years. In current research…

Examines relationship between literacy and intellectual development and the belief that literacy leads to higher forms of thought. Describes research findings among the Vai of Liberia, a people who invented a syllabic writing system to represent their own language. Investigates effects of becoming literate separately from effects of attending…

Describes a program being conducted within the chemistry department of Xavier University, New Orleans, Louisiana, to improve the abstract reasoning abilities of freshmen science majors. The project is based upon the philosophy developed by Jean Piaget. (SL)

Reported is a study involving six group administered tasks concerning proportional, probablistic, and correlational reasoning with 505 students aged 11.5 to 20.0 years. Investigated were the effectiveness of the tasks for assessing formal reasoning; categories of classification for students' responses and implications for teaching are suggested by…

Examined children's ability to settle causal relations and their capacity to make conclusions based on certain experiences and representations. Found that preschool children have a solid explanatory basis for their everyday life, within which facts are not generally accepted but are interpreted through a certain "logic," and the motives…