This article reports on the results of the authors' research and development work that was designed to study the impact of internships in scientific laboratories on high school students. The authors sketch how the internships affected cognitive outcomes, experiences and attitudes, and the career aspirations of the high school students. The…

Apprenticeship and the associated support mechanism of scaffolding have received considerable interest by educational researchers as ways of inducting students into science. Most studies treat scaffolding as a one-way process, where the expert supports the development of the novice. However, if social processes generally and conversations…