Findings on 20 children who passed an area conservation task and 20 who didn't suggested that conserving children applied an additive rule, while nonconserving children presented patterns suggesting centration on one of the two dimensions. Implications for Anderson's and Piaget's conceptions of conservation development are discussed. (RH)

Compares and synthesizes past decade of research into facets of wisdom, searching for a unified definition. Concludes that factors relating to wisdom (age, experience, intelligence, knowledge, intuition, common sense, and personality) can be unified theoretically if wisdom is viewed as the recognition of and response to human limitation.…

Investigated the ability of 56 children of 2-4 years to deceptively lead others into false beliefs. Results show that 2 1/2-year-olds already practice a variety of deceptive strategies that presuppose an operative theory of mind. (RJC)

Proposes an interference explanation of data from dual-task studies of memory development. Dual-task data support the resources hypothesis that memory processes tax a common pool of cognitive energy, which has been variously called attentional, mental effort, and working-memory capacities. Suggests that dual-task deficits are instances of output…

Explored mechanisms responsible for improvements in short-term memory in early to middle childhood. Recall and speech rate for acoustically similar and dissimilar words and words of differing lengths were assessed in three groups of children of 4 to 10 years. (RH)

Investigated infants' integration of visual information across space and time. In four experiments, infants aged 12 months and 6 months viewed objects after watching light trace similar and dissimilar shapes. Infants looked longer at novel shapes, although six-month-olds did not recognize figures taking more than 10 seconds to trace. One-year-old…

Investigated the development of social referencing (children's looks toward parents, instrumental toy behaviors, affective expressions, etc.) in 40 infants aged 6-9, 10-13, and 14-22 months. Results indicated that looking behavior of younger children may function differently from that of older children, and social referencing involves a number of…

Measured covert shifts of visual attention of observers aged 6, 8, and 20 years in a speeded classification task. There were differences between children's and adults' attention orientation, target processing, and use of predictability in cues. (SAK)

Three studies looked at kindergarten, third and sixth grade students' and adults' comprehension of different types of adaptation or contrast effects for weight and temperature. Results showed improvement up to college age and revealed the importance of using older children in studies of developing theories of the mind. (SAK)

Contends that a metaphor can be a teaching tool, a way of explaining something so that students can better grasp and remember it. Asserts that teachers can improve their effectiveness by exploring the metaphors that educators live by. (MS)

Claims that Campbell and Christopher's literature on moral development construes the cognitive-developmental and domain approaches too narrowly, overinterprets the influence of Kant, excludes other equally important non-Kantian philosophical influences, and ignores much of the research evidence. Describes the need for drawing distinctions in…

In 3 studies, 2.5- and 3-year-olds transferred knowledge from an easy task that required appreciation of a symbolic relation to a more difficult task involving a symbolic relation that children their age typically do not appreciate. Results support the theory that young children use insight into one symbolic relation to understand other symbolic…

Contrasts Fodor's theory of children's Very Simple Theory of Mind, with the view that children's concepts cross-cut the adult conceptual system: young children do not distinguish between the state of affairs a belief is about and how this state of affairs is thought of, which puts a severe limit on their understanding of belief as distinct from…

Spatial capacities of 36 children ages 5-6 were tested in 3 experiments involving an electronic maze, map training and testing, and finding the way out of a cave using a map. All subjects could use simple maps; this ability improved with age. However, no subject navigated the cave without help, perhaps because of stress or task complexity. (SV)

Presents results of a project with second and third graders to establish concepts of equality that led to the realization that teachers often help students too much and may push them algorithmically beyond their ability without the development of proper referents. (Author/MKR)