We examined 6- to 9-year-olds' (N = 60, 35 girls, 34% White, 23% Hispanic, 2% Black/African American, 2% Asian/Asian American, 22% Mixed Ethnicity/Race, 17% Unavailable, collected April-September 2019 in Providence, RI, USA) first-person perspectives on their exploration of museum exhibits. We coded goal setting, goal completion, and behaviors…

This study investigated young children's commitment to a joint goal by assessing whether peers in collaborative activities continue to collaborate until all received their rewards. Forty-eight 2.5- and 3.5-year-old children worked on an apparatus dyadically. One child got access to her reward early. For the partner to benefit as well, this child…

The present study examined age differences in performance on the Tower of London, a measure of strategic planning, in a diverse sample of 890 individuals between the ages of 10 and 30. Although mature performance was attained by age 17 on relatively easy problems, performance on the hardest problems showed improvements into the early 20s.…

Presents a study of the effect of distance distortion in perceived route extensity on memory for the location of objects in a spatial array. (JMB)

Two studies examined models that preschoolers, fifth-graders, and adults use to guide predictions of self-beneficial, goal-directed action. Found that preschoolers' predictions were consistent with an animal-based model, fifth-graders' with biology-based and complexity-based models, and adults' predictions with a biology-based model. All age…

Goal of this study was to obtain information pertaining to what is acquired when children gain the ability to reproduce a diagonal pattern. (Authors/CB)

Results are discussed in terms of variables which may lead to the activation of cognitive structures during the transitional period. (Authors)

Three studies examined children's understanding of looking behavior in revealing another's desired goal. Found that 6-year olds and adults, but not 4-year olds, consistently regarded prolonged looking as a more important cue than glancing or inadvertent touching of the protagonist's goal. Results suggest that development is characterized by…

Data from 431 children in grades 3-10 on a personal space task were pooled into 4 sex-age groups and separately factor analyzed. (Authors)

Compared infants who had evidenced similar levels of crying as neonates but differed at five months of age. For initially high-crying infants, mothers' personality and marital quality, and infant variables discriminated stable from changing infants. Mother sensitivity and infant responsiveness at five months were related to continuity of infants'…