Presents data from a cross-sectional study of the use of cohesion in Italian texts written by second-language adult learners and by native speakers. The study's goal was to compare learners and native speakers in their use of cohesion and to observe the developmental sequences in the use of cohesion. Data interpretation is presented. (64…

More than 1,600 middle school students, including an experimental group exposed to the Biological Science Curriculum Study (BSCS), were administered the Modified Nature of Scientific Knowledge Scale. Results indicate that the students utilizing the traditional science curriculum possessed a significantly better understanding of the testable nature…

Compared the performance of two groups of subjects on psychoeducational tests taken during adolescence and early adulthood. Adolescents who had received a protein supplement when they were infants scored higher on tests of knowledge, numeracy, reading, and vocabulary and showed faster reaction times in information-processing tasks than adolescents…

Examined the context of class activities and teacher/child interaction in 10 preschool centers in Bahrain. Found that children at educationally-oriented centers played more at cognitively challenging tasks and engaged in more dialog with others than counterparts at care-oriented centers. In general, children were more likely to engage in…

Compared the influence of free play and work lessons on kindergartners' cognitive co-construction as a means of testing the value of a sociocultural model of early childhood education. Measures of active participation, intersubjective cooperation, and cognitive distancing showed that both child-related and situation-related factors influenced…

The achievement gap in mathematics between African American and Caucasian students has been observed for several decades, though previous research has been unable to fully explain why the gap exists. Using a sample of 56 kindergarten and first grade students, this study examined the role that cognitive developmental level plays in the achievement…

Background: Research suggests that institutional care has long-lasting effects on children. However, no study has longitudinally studied infants in an institution and their subsequent development at age four. Methods: Sixty-one adopted children aged four years who had spent their first two years of life in an institution were compared to 39…

A preschool program in rural Bangladesh was evaluated in terms of cognitive and social outcomes of children. The preschools provided a half-day program, 6 days a week, with free play, stories, and instruction in literacy and math. Four hundred children between 4.5 and 6.5 years were assessed, half in preschools and half in villages where there…

What kind of developmental potential is present in elementary schoolchildren but hindered by the traditional type of education? Half a century ago Daniel El'konin and Vasili Davydov, the leaders of Russian Vygotskian educational psychology started answering this question. They suggested that reflection is a basic human ability and it can be…

In 1991, a study was conducted at Riverside City College (RCC), in California, to determine the development of science reasoning among students. A science reasoning test was administered at the beginning and again at the end of fall 1991 to two samples: a college-wide sample of 843 students enrolled in one of 55 courses, and a science-oriented…

This research compared two methods used to investigate the knowledge of internal body parts by children ages 4 to 9 years. Subjects were 50 Italian children: 18 preschoolers, 21 first graders, and 11 second or third graders. Children performed two tasks, a Drawing Task in which they drew on the outline of a human figure all the body parts they…

This paper considers psycholinguistic aspects of bilingualism from two perspectives: the psychology of the individual and social psychology. The linguistic development of children is described and research is presented that compares bilingual and monolingual children with respect to cognitive development. The emotional consequences of parents'…

This longitudinal study evaluated the effects of a preschool project designed to serve children between 3 and 5 years of age in a disadvantaged inner-city area in Dublin, Ireland. The preschool, established in 1969, emphasized the development of children's cognitive skills and established structures to increase parents' involvement in their…

Data were collected on the type of day care experienced by 119 Swedish children who were followed from their first year of life to age 8. Types of day care included: (1) center care continuing from the first or second year; (2) center care begun at a later age; (3) mixed care, or, transition from family day care to center care; (4) day mother…

An evaluation of the New York State Experimental Prekindergarten Program was begun in 1975 to provide longititudinal data on the effects of prekindergarten on children's development over a period of 5 years. Data were collected on a variety of items, including children's test performance at various times, family background, ratings by teachers,…