Fifty-six Dutch school children (aged 6-0 to 14-4 years) participated in a study designed to investigate their ability to reason with logical implication. They answered a total of 32 reasoning problems. Before or after each question they were asked a class inclusion question. A high degree of correspondence was found between class inclusion and…

The relationship between Piagetian and school achievement tests was examined through a meta-analysis of correlational data between tests in these domains. Highlighted is the extent to which performance on Piagetian tasks was related to achievement in these areas. The average age for the subjects used in the analysis was 88 months, the average IQ…

Fourteen moral judgment intervention studies, representing all those presently known to the author, were reviewed and evaluated. All used Rest's Defining Issues Test (DIT) to evaluate Kolhberg's stage theory of moral development. The DIT had been administered in programs for social studies and civics, general psychological development, and moral…

The ethical codes for experimentation adopted by most professional organizations include references to the requirement that subjects be given at least minimal information about their involvement in research, but are generally silent on the necessity of ascertaining whether or not subjects sufficiently comprehend the information given. For moral,…

This pamphlet for prospective parents provides very brief discussions of the parent child relationship, the realities of being a parent, parenting techniques, parents' responsibilities, and parenting as a developmental process. Guidelines for parents of infants, toddlers, school age and adolescent children are suggested. (Author/SS)

This paper discusses research on how concepts differ in their internal organization and how these differences interact with and affect cognitive processing in children. Two types of natural concepts are focused on: classes (nouns with class-inclusion organization, such as "trees,""students,""soldiers" and collections…

Children's serial motor skill acquisition was studied within a neo-Piagetian framework. High and low M-processors (a designation of a child's ability to produce problem solutions) performed on a curvilinear repositioning task. A primacy-recency effect was evidenced for both groups on the age-related task, while a recency effect occurred for only…

This paper describes the initial organization of the infant's reaction to having his vision occluded by an opaque cloth; traces the development of this reaction over the first six months; and probes the role the occlusion of vision plays in provoking the reaction. Fifty videotaped sessions of infants during two conditions - eyes covered with an…

Traces the development of the theme of death in children's books through the years. (HOD)

Examines the possibility that the detection of developmental differences in spatial egocentrism may depend in part on the use of percentage of total responses vs the percentage of errors as the operational definition of egocentrism. (BD)

In order to examine the relationship between name writing and the drawing of a person, samples of both were collected from 112 preschool children (23-63 months old). (PNR)

Reports results of a study of the development of perspective-taking skills of 180 English children aged six through ten. Children first are able to represent the object nearest the observer, then before-behind relationships, and subsequently left-right relationships between objects. Questions Piagetian conclusions that perspective-taking ability…

Describes the major features of mid-life transition and the associated mid-career crisis before outlining what can be done in organizations to meet the challenges of mid-life transition. (Author/IRT)

Presents a study of the efficacy of using reinforcement versus cognitive conflict in producing changes in the moral judgments of ninth grade subjects. (BD/BR)

A developmental approach to education assumes that as individuals develop they view the world differently and with increasingly more adequate ways of perceiving and behaving. Discusses some prominent theorists who have attempted to clarify the stages of cognitive and affective development that individuals pass through during the life cycle and the…