Presents a historical overview of visualization as a cognitive strategy in human creativity, discovery, and problem-solving. Highlights include visualization as a cognitive strategy for solving everyday problems; visualization by scientists and inventors; counter examples; and implications for multimedia learning environments, instructional…

This paper examines, through historical analysis, the values and beliefs underpinning the early theories and applications of problem-based learning and contrasts these with current theory and practice. This study focuses on the first three decades of the twentieth century, because, during this time period, the use of projects in education became…

This paper presents a historical overview of visualization as a human problem-solving tool. Visualization strategies, such as mental imagery, pervade historical accounts of scientific discovery and invention. A selected number of historical examples are presented and discussed on a wide range of topics such as physics, aviation, and the science of…