In 4 studies, the authors examined how intuitions about the relative difficulties of the sciences develop. In Study 1, familiar everyday phenomena in physics, chemistry, biology, psychology, and economics were pretested in adults, so as to be equally difficult to explain. When participants in kindergarten, Grades 2, 4, 6, and 8, and college were…

The first objective of this study was to establish to what extent metacognitive skill development is associated with intelligence. As a second objective, the generality vs. domain-specificity of maturing metacognitive skills was investigated. Both issues have major implications for the training and transferability of metacognitive skills.…