An analysis of the quantitative processes underlying conservation of quantity is presented. Models of three quantitative operators--subitizing, counting, and estimation--are derived from adult performance in quantification tasks, and some features of the operators are described. The emergence of conservation is described in terms of the…

The hierarchical structure of the formal operational period of Piaget's theory of cognitive development was explored through the application of ordering theoretical methods to a set of data that systematically utilized the various formal operational schemes. Results suggested a common structure underlying task performance. (Author/BH)

Discusses difficulties of examining Jean Piaget's work, caused in part by his own revisions and earlier, inadequate interpretation in English translation. Examines common misunderstandings of Piagetian developmental stages and similar misinterpretations of his ideas on education. Focuses on importance of other disciplines, including psychology and…

The introductory chapter clarifies key terms and lays the background for different theories of moral development. Chapter 2 surveys competing models from various schools of thought on the initial origins of morality in childhood. The works discussed include those of Freud, Jung and Piaget. Chapter 3 includes: Erik H. Erikson's sociocultural…

Investigated the general relationship between children's performance on social and physical measures of cognitive functioning, possible sex differences in performance on the two types of tasks, and the relationship between boys' and girls' performances on these tasks and age and IQ. (SDH)

To investigate developmental differences in timesharing performance, 60 boys, 20 in each of three age groups (7-, 10- and 13-year-olds), performed an auditory matching task and a tracking task alone and concurrently, the latter under two sets of instructions. Decrements produced by concurrent performance were compared for the three age groups.…

This study examined the transition from concrete to formal operations in very bright children in an effort to determine whether high ability in concrete operations would carry over into formal operational ability, and also to investigate precocity in regard to formal operations. Subjects were 38 white middle-class children ranging in age from…

In this paper, development during the adolescent period is considered from a counseling perspective. Although many of the issues of young adults continue to confront older adults, this paper discusses the issues that are special to this age group. It suggests that the emotional and social domain is best represented by the theory of Erikson, which…

Reviews three studies by learning theorists that suggest that learning to write generally follows a developmental pattern. Presents four assumptions common to these studies and discusses suggestions to improve developmental writing classes. (DR)

The conceptual views of homeostasis held by students (n=300) in seventh grade life science, tenth grade biology, and college zoology were examined. A biographical questionnaire, the results from two Piagetian-like developmental tasks, and a concept evaluation statement of homeostasis were collected from each student. Understanding of the concept…

This study attempted to develop, implement, and evaluate an experimental preschool education program based on Piaget's theory of cognitive development. A further goal was to examine Piaget's theoretical assumptions and postulated cognitive developmental trends for a 2-year period of the preoperational substage. A total of 48 3- to 5-year-olds…

The research experiments on relational learning in young children contained in this report were guided by two major goals: (1) to examine the extent of conceptual transfer in preschool children, and (2) to explore the relation of both "acquisition" and "transfer" to chronological development. The performance of preschool…

The purpose of this study was to develop a paper-pencil test of Piagetian levels of proportional thinking for junior high school students in the context of physical science. Two thousand twenty-seven students were tested to develop the instrument and the description of its characteristics. The final form consisted of 24 items with four subtests…

Jean Piaget's belief that children's developmental levels largely determine what they can learn is challenged. Research concerning the existence of cognitive structures in children is critiqued, and problems with administering Piagetian tasks are pointed out. Educators should not restrict children's exposure to learning because, according to…

Explored was the relationship between performance and gender for junior- and senior-high students (N=108) on six Piagetian-type tasks developed to measure infralogical spatial groupings. Results indicated a significant relationship between performance and gender on four tasks, in which males outscored females. Implications for science teaching are…