Elliot Soloway, Kate Ehrlich, John B. Black. Beyond numbers: Don't ask "how many" ... ask "why". 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 240-246, ACM, 1983. [doi]
Abstract is missing.