Jeff Shrager, David Klahr. Learning in an instructionless environment: Observation and analysis. In Raoul N. Smith, Richard W. Pew, Ann Janda, editors, Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, CHI 1983, Boston, Massachusetts, USA, December 12-15, 1983. pages 226-229, ACM, 1983. [doi]
Abstract is missing.