Previous research has offered mixed evidence on whether obligation in relationships benefits or harms individuals and their relationships. Given that few studies are prospective and consider multiple close relationships, we used 18-year longitudinal data to model whether obligation is associated with differences in relational and individual…

Presents an overview of the topics of planning and control to provide a context for the articles in this issue of the journal. Considers development across the life span, subgroup variations, and correlates. Also explores potential linkages between planning and control. (MM)

The present study examined infants' capability of extracting object unity in a stationary two-dimensional rod-and-box display. The infants were habituated to a centre-occluded rod and were afterwards tested with both a broken rod and a complete rod. The looking pattern of both female and male participants aged 8 months did not reveal the ability…

Analyzes multiple components of planning, including problem representation, goal selection, a decision to plan, strategy choice, strategy execution, and monitoring. Analyzes three tasks typically used to study planning: the Tower of Hanoi; errand scheduling; and story comprehension. Argues that the components required to perform a planning task…

Despite much research on Chinese children's learning achievement, little research exists on their early development of beliefs about learning. This study examined the perceptions of purposes for and affective and value expression toward learning among 129 Chinese preschoolers aged 3-6 years. To tap culturally valid perspectives, free narratives…

A total of 371 adults between 19 and 64 years of age wrote down their goals, concerns, and notions of when their goals would be realized. Goals and concerns reflected the developmental tasks of the adult's particular age. (LB)