This study compares three methods of introducing two-digit numeration. It is concluded that teachers should build on the preschool exposure children have in counting past ten, rather than have children begin by counting out groups of tens and ones and only later in the process use the normal number names. (MN)

This article considers the idea that an analysis of the structure of geography and of the nature of spatial concept development in children will reveal a valuable conceptual link that might serve as a theoretical basis for developing objectives in geographic education. (Author)

Sir Karl Popper is one of England's most distinguished contemporary philosophers and it is surprising that his thought has not permeated and informed educational discussion. This paper suggests that educationists have much to learn from Karl Popper's writings and explores ways in which his ideas can illuminate and advance discussion about…

Experimental conditions consisting of visual experience, visual plus motor training, visual plus verbal-orienting instruction, visual plus motor plus verbal, and a control group were used to study young children's concept development. Assessment was based on discriminating and remembering positive concept instances and classifying concept…

Presents results of a survey of the domestic membership of the American Association of Collegiate Schools of Business, which indicated that organization development (OD) is becoming a regular part of the curriculum in college level business schools. Ten tables indicating various aspects of OD growth in business school curricula are included. (TA)

A professor of education talks about the meaning of career education, its objectives and philosophy, and the role of vocational-technical training at the career preparation stage. (MF)

Shows a wide variety of task performance ability. Supports the hypothesis that the tasks require the use of the same or a unified set of cognitive processes. (RL)

A colliding spheres type of experiment is used with several hundred 4-12 grade students to test for knowledge of the concept of controlling variables. Results support the contention that the concept is developed gradually during the concept stage but not fully attained until around 14 years of age. (CP)

Encourages the examination of incorrect responses given by students to questions in the belief that the responses will reveal information concerning subjects' logical thinking and concept-forming abilities. College students' incorrect responses to physical science questions are analyzed. (CP)

Four kinds of understanding of mathematics are suggested: instrumental, relational, intuitive, and formal. Each type of understanding is described and illustrated. (MN)

A manipulative pedagogical device to supplement the teaching of a unit on computers is described. Sample programs possible with such a device are illustrated. (MN)

The substantive issues discussed in the article reviewed concern the relationships among teachers' philosophy of education, their perspectives on education, their practice in the classroom setting, and the social construction of pupil identities. (JD)

This study attempted to develop a hierarchical scheme appropriate for theoretical science concepts and to empirically validate the scheme with a sample of sixth grade students. (Author/GO)

Brings to readers some theoretical insights and knowledge about educating disadvantaged learners, and the possible causes and antecedents of observed learning deficits and practical learning problems. (Author/AM)

Suggests that if psychologists of learning are to be of assistance to the teachers in open learning classrooms, they will have to reconsider the effect of assuming associative connections as a valid unit for the foundation underlying human learning. (Author/AM)