This paper presents a study designed to clarify the role of perceptual-attentional factors in the development of conservation, and relates the results to procedures for assessing conservation. Subjects were 192 first and second graders. The number and type of perceptual cues in the conservation of liquid quantity task were systematically varied.…

In an effort to cross-validate a Japanese study, a 16 item test of logical connectives was administered to 223 boys and girls at each grade level (third through ninth grades) and two groups of college sophomore girls. The purpose of the test was to assess their understanding of class inclusion and exclusion, class intersection, and class union.…

The consistently inferior performance of economically disadvantaged children led to this study designed to investigate how cognitive development changes with age and how it is affected by previous life experience. Classification behavior and inferential thinking were the main concerns of the study. The measurement instrument was the Matrix Test, a…

The present study attempted to operationalize the constructs of empathy and egocentrism and contrast them with a cognitive explanation of the behavior of children on a task which required "S" to identify the affective state of himself and of others. Forty "Ss," aged 3-5, were presented a series of 23 stories describing an event which had occurred…

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…

Three experiments assessed the ability of children 2 to 5 years of age to infer, under very simple task conditions, what another person sees when viewing something from a position other than the children's own. Data indicates that some ability of this genre appears to exist by age 2. The data also suggests a distinction between an earlier and a…

This paper describes a one-year longitudinal follow up study of the long term effects of role taking training procedures (in which children assumed a number of perspectives) on children's social and cognitive behaviors. Longitudinal and cross-sectional age effects were also analyzed. In an earlier study the effect of two types of role-taking…

In this study, the self-reported strategies of fifth, seventh, and ninth grade subjects used to learn a list of paired associates were correlated with actual learning performance to test the hypothesis that proficient learners are elaborators. (Author/SB)

Investigates the metalinguistic ability of monolingual or bilingual children between five and nine years of age on two language tasks (grammaticality judgment and correction). (HOD)

Focuses on differences occurring with age and reading skill in the use of phonemic codes in short-term retention tasks where stimuli were presented visually. Subjects were groups of average readers in grades two, four, and six; superior readers in grade four; and disabled readers in grades four and six from three public schools. (Author/RH)

Overt rehearsal and free recall performance was analyzed longitudinally in two experimental testing sessions at 7 and later at 9 years of age. Measures of short- and long-term memory recall, and two measures of input processing were obtained. Significant increases between age levels were exhibited by all variables except short-term memory.…

This book considers the question of whether, or to what extent, a critical period limits the acquisition of a first language as well as a second language acquired postpubertally. The diversity of opinion on this question is represented in this volume. It is a question that has been approached by researchers working in linguistic theory, evolution…

Depending on age and the demands of the task, people may use different processing strategies in object categorization. Three-year-olds used a wholistic approach with strong effects of object typicality on three categorization tasks. Older children and adults showed differential effects of typicality, suggesting various strategies including…

Three experiments with small samples of elementary school students were conducted to: (1) investigate the impact of syntactic complexity on analytic assistance; (2) extend the research on analytic assistance to younger subjects; and (3) determine the relative importance of analytic assistance when compared to an example-only comparison group.…

This monograph describes the development of the Metaphoric Triads Task (MTT), an instrument designed to assess metaphoric comprehension. Validity and reliability of the instrument are discussed and data for 12 samples of subjects are reported. Sex differences were negligible, but progressive improvement in MTT score with age was noted. Pictorial…