This research unites traditionally disparate developmental domains--cognition and locomotion--to examine the classic cognitive issue of the development of inhibition in infancy. In 2 locomotor A-not-B tasks, 13-month-old walking infants inhibited a prepotent response under low task demands (walking on flat ground), but perseverated under increased…

Braking to avoid a collision can be controlled by keeping the deceleration required to stop (i.e., ideal deceleration) in the "safe" region below maximum deceleration, but maximum deceleration is not optically specified and can vary as conditions change. When brake strength was manipulated between participants using a simulated braking task, the…

Using between subject designs, Tversky and Sherman (1975) and Weaver (1974) demonstrated that increases in the blank interval (offtime) separating two successive pictures leads to improved performance on retention tests. If this improvement results from active rehearsal strategies, subjects should be able to differentially rehearse pictures cued…

The encoding specificity principle predicts that a change in context between input and test will adversely affect recognition memory. Experiment I tested this with sentences from a prose passage and no context effects were obtained. Experiments II, III, and IV compared context effects for words in random sentences versus connected discourse. In…

This paper describes an experiment which investigated the development of recall skills in 120 Caucasian, middle class children in the second, fourth, and sixth grades. Within each age group, four experimental groups were formed in which subjects were asked to remember and recall 16 nouns by: (1) forming mental representations of each word…

Eighty-two children (aged 4 through 6) were administered a Backward Digit Span test to measure M-space (mental capacity) and four conservation tasks: number, substance, continuous quantity and weight. (MS)

The authors studied the evolution of interindividual intentionality in children and showed that the sharing of knowledge and beliefs requires more complex operations than those involved in usual false-belief tasks. The authors conducted 3 experiments on 380 children (aged 5 years, 0 months to 9 years, 6 months). They assessed the children's…

This article presents and tests the authors' integration hypothesis of global/local processing, which proposes that at early stages of processing, the identities of global and local units of a hierarchical stimulus are represented separately from information about their respective levels and that, therefore, identity and level information have to…

This book, describing the result of extended research on how charts/graphs convey information, develops a scheme for describing/analyzing information contained in graphs/charts. A psychological theory of knowledge of the reader and the mental events which occur in attempting to read a graphic display are the two focal points of the book. A…

A reliable, easily administered performance test of selective attentional ability was sought. A monaural listening task provided a baseline control for adequate hearing and memory; a dichotic listening task then provided indices of ability to focus attention and resist distraction while a simultaneous listening task provided measures of ability to…

The theoretical and methodological concepts for research on aptitudes as cognitive processes are discussed. Individual differences constructs are reviewed in relation to cognitive processing models, and studies of short-term memory are reviewed. A coordinated approach to the study of aptitude as information processing is recommended. (Author/RD)

Picture naming in children was assessed as a function of two stimulus characteristics: the number of correct names for a picture and the degree to which a picture realistically represents the object. Two experiments showed that children named low-uncertainty objects faster than high-uncertainty objects with multiple correct names. Contains 50…

The research reported here was directed at two distinct but related problems: (1) the assumption of bipolarity underlying standard semantic differential scales, and (2) the demonstration of the similarities between D-4 (the square root of the sum of squares of the difference between each word's mean rating and 4.00 on a number of scales) as a…

This paper briefly reviews how subjects enhance performance by favoring some stimuli over others. The author calls the mechanism by which this is achieved "expectancy", a generic term including preparatory set, behavioral hypotheses, orienting reflex, and anticipatory goal responses. Temporal and event expectancy are contrasted. Verbal prediction…

Reviews recent experimental and theoretical analyses of the relationship between level of processing and retention, and reports on two studies which tested predictions about the effects of orienting activities on retention. (AM)