Applications of generalizations of both arithmetic and geometric progressions are presented. The first-order difference equation is used in solving seven examples from finance, business, and medicine. Detailed directions are included for each example. (KR)

Presented is the extent to which pupils of different ages tend to confuse scientific and everyday meanings of "Law" and "Conservation." The concepts of resource economy, environmental concern, and the law of conservation of energy are discussed in terms of potential teaching difficulties. (KR)

Identified are some of the problems experienced by students when learning about organic chemistry reaction mechanisms. Strategies are suggested which may be used by students to facilitate understanding of these mechanisms. (KR)

Discussed is whether, and to what extent, science teachers critically and spontaneously attend to the logical structure of situations, and whether they need prompting, or completely fail to do so. The relationship between the results of this study and science teachers' pre- and in-service education is discussed. (Author/KR)

The effect of intervention lessons designed to accelerate the development of formal operations taught over a period of two years to adolescents was assessed. Results indicated that the experimental group had achieved a significantly greater gain in cognitive levels than the control group. Implications are discussed. (CW)

Describes a two-year Canadian project devoted to the development and formative evaluation of a graduated series of four graphics-based programing environments for young children, called pre-Logo Microworlds. Field tests of software and instructional materials are described, and classroom observations and teacher and student interviews are…

Analyzes data from a longitudinal investigation of reading ability in New Zealand children, ages 7-13. Children with lower reading abilities at age 13 were compared with children who were slow starters but had normal reading abilities at age 13 in an effort to identify predictors of reading progress. (22 references) (Author/LRW)

The use of concept maps, Vee diagrams, flow charts, and productive questions to increase student understanding of laboratory exercises and to improve student attitudes toward lab classes is discussed. Examples of each are provided. Student responses to these teaching methods are described. (CW)

Describes cognitive-developmental counseling model designed to promote high school seniors' social readiness for college through process of "psychological education." Notes that program is specifically designed to encourage and support psychological growth of prospective college students from low socioeconomic status backgrounds. (NB)

The Bronx Community College's Department of Student Development has provided an array of developmental minicourses to help incoming freshmen acquire coping skills and a new social support system. These courses foster cognitive, affective, and interpersonal development. (TE)

This review of research on the development of self-concept in young children defines and differentiates the various dimensions of self-concept; notes problems associated with measuring self-concept; comments on the relationship between cognitive development and self-concept, and discusses external factors related to self-concept development. (BB)

Reviews the controversy over the effects that various forms of computer use are likely to have on different children's learning, motivation, and social behavior. Considers difficulties in the current state of empirical research in this area, and offers recommendations for future research. (Author/BJV)

Reviews theories which link college attendance and moral judgment. Evaluation is made on basis of longitudinal, experimental, correlational, educational, and life experience studies. The theories of generalized understanding, intellectual stimulation, and generalized learning are found to be more plausible than simple age/maturation,…

The available evidence indicates that home school youth of compulsory education age have been scoring equal or better than their conventional school peers on measures of cognitive achievement and desirable affective traits; the significance of this is discussed. (BJV)

Investigates the development of dynamics concepts with one group aged 12-14, and other group aged 14-16. Collects data from Assessment of Performance in Science tasks, Piagetian tasks, and classroom science curriculum. Discusses the interaction of cognitive development and classroom experience in the development of concepts. (Author/YP)