Delivered at XI Interamerican Congress of Psychology; Sociedad Interamericana Psicologia and Texas Psychological Association, Mexico, D.F., December, 1967.

Stability of child and mother characteristics and the predictability of children's cognitive competence and affective characteristics were investigated as part of a longitudinal study. At 2 years of age, 46 sets of male twins and their parents were observed in the home and were rated for attachment, independence, compliance and conscience on the…

The development and application of a learning procedure for the seriation structure of children in the oscilatory state are described. The procedure was based on the structural genetic theory of learning. A study consisting of design and verification stages was carried out in Cali, Colombia. In the design stage six seriation treatments involving…

The paper examines the development of language in the deaf blind child with emphasis on the child's motoric behavior and imitation as the initial step in language acquisition. Discussed are the following early developmental stages: symbionic (the close physical and emotional identification of child with the mother to be or new mother); resonance…

The study evaluated the effect of art therapy on the development of basic academic concepts with 84 handicapped children (ages 7 to 11 years). The children were given the Silver Test of Cognitive and Creative Skills which uses drawing tasks to assess the child's understanding of the concept of a class or group of objects, the concept of space, and…

Jean Piaget's theories of development are reviewed and implications for instruction of mildly and moderately retarded children are drawn. Piagetian research with the retarded is traced, particularly the work of Barbel Inhelder. The research cited concludes that the cognitive development of retarded children follows the same pattern as normal…

The paper provides classroom teachers with practical suggestions for teaching English to the bilingual child (defined for purposes of this document as children whose native language is not English and who have only limited abilities in utilizing English). Teaching strategies are discussed under three major subheadings: (1) cognitive domain, (2)…

This article provides a comparative analysis of studies in which symbolic play in children ages 1 through 3 was the major focus of a formal research strategy. The review provides readers with (1) information allowing more effective evaluation of research involving symbolic play and (2) background for designing or adopting play measurement…

Performance differences between male and female students in proportional reasoning tasks were analyzed with respect to task characteristics. The student performance was also compared to their visual-spatial ability to determine whether such ability correlates with a better performance. The task characteristics tested were ratio complexity,…

Sixty subjects were identified from two grade levels (second and fifth), in elementary schools in Iowa and in Jordan. Cognitive and moral judgment tasks were administered to each subject. The cognitive tasks measured conservation, class inclusion, multiplicative classification, and spatial perception. The moral judgment tasks presented situations…

The role of visual-spatial operations in nonroutine mathematical problem solving in schoolchildren is investigated through a search of related literature. It is suggested that certain visual-spatial operations are concomitant with the mental processes necessary in problem solving. The following topics are discussed: (1) the importance of problem…

The 8-chapter booklet gives an overview of what is known and what remains to be known about developmental dyslexia. Chapter 1 defines the scope of reading problems in general, while chapter 2 defines dyslexia-"children who have difficulty learning to read, for no apparent reason". Chapter 4 outlines the normal reading process. Possible causes for…

The purpose of this paper is to provide information on child psychology and child development which could be useful to persons planning interpretive programs for children in public parks and recreation areas. Aspects of physical, cognitive and social developmental processes in children of different ages are described briefly and specific examples…

This research explored the development of reasoning about persuasion. First-grade, seventh-grade, and undergraduate subjects were individually presented with a hypothetical persuasive situation in which a young child attempts to obtain a toy from various "targets." Pairs of tape-recorded persuasive appeals were randomly presented to each…