It is argued that science's reputation as a "hard" subject can be attributed to four intrinsic features of science and/or learners. The reasons for a link between abstraction and difficulty are briefly explored. It is suggested that certain extrinsic features of science education, resulting from choices by science educators, exacerbate these…

Compares collaborative problem solving by learners sitting side-by-side with computer-mediated learning at a distance. Three aspects are studied: high school students' problem- solving strategies and interpretation of the teaching situation; their use of components of the situation; and the cognitive processes involved in understanding domain…