Describes a pilot study in which a two-year junior college program designed to train chemical technicians was taught to a group of high school students. The concrete-operational program, entitled Modern Chemical Technology (MCT), was well received by the students. (MLH)

The ability of preschool children to comprehend comparative sentences was studied in order to test previous findings and to test for a developmental shift. Subjects were 50 children aged 3 to 5 1/2 years. Data was analyzed in terms of functional versus relational responses as well as changes in relational responses. (MS)

Thirty-five students from all ability levels in the first and second year of secondary school were interviewed to determine their understanding of appropriate application of number operations. Results of the interviews are classified into five different levels of understanding. (DT)

The limitations in mathematics learning ability inherent in the logical thinking of elementary and junior high students, and the broad spectrum of activities directly affected by these limitations, are discussed. (DT)

An attempt to formulate a model of social cognition which will describe what may be involved in making social cognitive inferences in children. Techniques for intervention are then derived from the model. (Author/NG)

Two transitional phases in the child's early language development are described; the first occurs between prelinguistic vocalization and one-word speech and the second between one-word and patterned speech. Cognitive, linguistic and affective inputs to the acquisition of reference and syntax are discussed in the light of the transitional…

Investigates the development of past tense expressions in the speech of children from 1.6 to 2.6. It is shown that this development depends crucially on the child's cognitive construction of the time dimension, as described by Piaget. (Author/RM)

Interpersonal functions of everyday caretaker speech usage are examined when addressed to toddlers, threes and fours. Results support hypotheses derived from Piagetian theory concerning early developments in ego-differentiation. (Author/RM)

The present studies demonstrated that children as young as second graders could form prototypical representations from a set of highly similar stimuli. (Author/SB)

The number of children and adolescents accessing the Internet as well as the amount of time online are steadily increasing. The most common online activities include playing video games, navigating web sites, and communicating via chat rooms, email, and instant messaging. A theoretical framework for understanding the effects of Internet use on…

In this book, the author tells the recent history of the natural and creative growth of a vital community of learners, of an experiment in collaborative education and social celebration of diverse experiences and skills that works to benefit young children, parents and practitioners in education and social services. After a background section,…

The major idea in this paper is the formulation of a theory of three distinct but interrelated worlds of mathematical thinking each with its own sequence of development of sophistication, and its own sequence of developing warrants for truth, that in total spans the range of growth from the mathematics of new-born babies to the mathematics of…

The author reacts to the impending reauthorization of the Head Start program by questioning evidence of its long-term impact and making several recommendations for reform: (1) Strengthen Head Start school readiness standards; (2) Guarantee civil rights protections for faith-based providers; (3) Encourage state innovation and improvement; and (4)…

These hearings transcripts present testimony concerning the status of medical and scientific findings on prenatal and postnatal brain development and the implications of federal policies for childhood development. Testimony was offered by Senators Dan Coats (Indiana) and Christopher Dodd (Connecticut); psychology professor Edward Zigler of Yale…

This paper examines the cognitive process of concept development in preschool children, based on recent psychological research. Rather than attempting an exhaustive review of the more than 7000 articles written on children's concepts of categories, the paper highlights and illustrates four key themes that emerge from recent research: first,…