Tool use consists of at least two coupled phases of activities, involving multi-step problem solving. It therefore provides an interesting window on the development of planning in goal-directed behavior. This study investigated 2-year-olds' and 3-year-olds' hand use in picking up and subsequently using a tool for displacing a target-object towards…

The purpose of this study was to examine the effects of an animated agent that provides instructional scaffolding strategies via a story mnemonic or cuing question with feedback versus instructional scaffolding strategies alone on student achievement of different educational objectives in multimedia learning. Specifically, the study investigated…

The Animation Tutor[TM] is a curriculum project that uses software to supplement instruction in courses such as intermediate algebra. Its purpose is to ground mathematical reasoning in concrete experiences through the use of interactive animation and the virtual manipulation of objects. This article summarizes how the project has progressed from…

A resource and activity guide for the developmentally disabled that focuses on fine motor skills is presented. Attention is directed to fine motor behavior during the first year (vision, grasp, and release and reaching), and behaviors developing at 13 months (the interaction of fine motor and cognitive skills). An introductory section considers…