See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/226523768 Three sources of differences between educational and developmental psychology: resolution through... Article in Instructional Science · January 1986 DOI: 10.1007/BF00139615 CITATIONS 10 READS 356 1 author: Sidney Strauss Tel Aviv University 72 PUBLICATIONS 590 CITATIONS SEE PROFILE All content following this page was uploaded by Sidney Strauss on 30 November 2016. The user has requested enhancement of the downloaded file.