Multiple methods are vital to understanding development as a dynamic, transactional process. This article focuses on the ways in which quantitative and qualitative methodologies can be combined to enrich developmental science and the study of human development, focusing on the practical questions of "when" and "how." Research situations that may…

Two studies involving five- and nine-year-old children examined the effects of planning with a partner as well as the relation of collaborative planning to subsequent solo planning. Results suggest that cognitive gains resulting from joint problem solving between children and adults or peers may be more likely with shared task responsibility. (RH)

Examines the relation between dyadic synchrony and child compliance during the toddler period. Demonstrates that children are more likely to comply with synchronous caregiver instructions than with asynchronous instructions. Discusses results in light of both cognitive and emotional factors of toddlers. (Author/RWB)