Argues that the operating characteristics of perceiving and remembering provide a foundation for progress on detailing the processes through which knowledge is realized in real-time tasks and in detailing the processes of developmental change. Includes three examples to illustrate how forming developmental hypotheses in terms of perceiving and…

Presented are a literature review and new data on correlates of newborn auditory brainstem evoked responses (ABRs). Concludes that disorders of the central components of the ABR may be more of prenatal than of postnatal origin. The I-V interval had low but reliable correlations with four of 11 Brazelton scale variables. (RH)

Examined 5- to 12-year-olds' judgment regarding the behavior of balance scales and other levers whose arms varied in a causal or a noncausal variable. Results indicated age-related increases in correct judgments about the influence of physical features of objects at an earlier age than about spatial relations between objects. (MOK)

Examined caregiving environments for 243 premature, low birthweight infants living in poverty to determine effects on health and development. Found that children's health and development benefited significantly from six protective caregiving factors: (1) increased parental responsiveness; (2) availability of toys and learning materials; (3)…

Calls for a process-oriented approach to study of categorization in infancy. Maintains that further understanding of infant categorization and its changes with development requires a more direct assessment of infants' category formation. Argues that two research directions will enhance understanding of categorization: (1) contextual variations on…

Examined adjustment problems from late childhood to early adulthood among 500 Swedish girls. Found a diversified pattern of multisyndrome formation in late childhood. The syndrome structure in early adolescence identified externalizing adjustment problems and peer problems. An externalizing syndrome was stable between late childhood and early…

Used data from National Longitudinal Survey of Youth to model developmental trajectories across middle childhood. Found that individual trajectories were extremely diverse in level and sometimes in slope. Compared to girls, boys had heterogeneous slopes for math and behavior problems. Compared to boys, girls showed a significantly higher degree of…

This study used longitudinal data from five Irish American families and nine Chinese families in Taiwan, in conjunction with cultural psychology research evidence, to propose universal, culturally variable, and developmental dimensions of children's pretend play. Findings raise the theoretical issue of how universal and variable dimensions of…

Infants of depressed mothers who were visited at home outperformed infants of depressed mothers who received no intervention services by an average of 10 points on the Bayley Mental Scale and were twice as likely to be classified as securely attached. Unserved, high-risk infants showed a high rate of insecure-disorganized attachments. (RH)

Examined changes in prosocial moral reasoning and gender differences in prosocial reasoning over 15 years. Found that hedonistic reasoning declined and then increased somewhat; needs-oriented and stereotypic reasoning increased and then declined with age. Direct reciprocity and approval reasoning showed no decline into early adulthood, contrary to…

Examined longitudinally committed and situational compliance in "Do" and "Don't" contexts and internalization of standards among 108 young children through age 4. Found that the "Do" context was more challenging than the "Don't" context. Both forms of compliance were longitudinally stable, but only within a given context. Committed compliance was…

Examined preschoolers' and second and fifth graders' development of two types of perspective taking: (1) perspective taking based on differences in the information available to two people; and (2) perspective taking based on differences in weighting the same information. (RH)

Assessed children's beliefs about the effectiveness of five causes of school success. At the age of 7-8 years, children differentiated the factors into "unknown" and "other"; at 9-10, "other" was differentiated into "internal" and "external"; at 11-12, "internal" was differentiated into…

Examined relationship between mother-child conversational interactions when children were 30, 36, and 42 months old and children's recall of these activities 1 day and 3 weeks later. Found that at all ages, features of activities jointly handled and jointly discussed were remembered better than features jointly handled but discussed by mother only…

Investigated the extent to which family environment predicted differences in trajectories of adaptive development in young children with Down syndrome. Found that growth in communication, daily living skills, and socialization domains were predicted by family cohesion and mother/child interaction beyond that predicted by maternal education. Bailey…