Young children's estimates of numerical magnitude increase approximately logarithmically with actual magnitude. The conventional interpretation of this finding is that children's estimates reflect an innate logarithmic encoding of number. A recent set of findings, however, suggests that logarithmic number-line estimates emerge via a dynamic…

How can we succeed in meeting the challenges of the future world in the best possible way? In order to support children in their development into optimistic, self-effective adults, it is necessary to find out how children perceive their world and how they combine these perceptions with their cognitive knowledge. This article examines the question…

Background: Kuhn's model of science has been widely influential, but in this paper, it is argued that it is more appropriate to consider constructivist learning within science education as a research program in the sense used by Lakatos. Purpose/Hypothesis: This study offers teaching strategies and their corresponding instructional sequences based…