See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/15828725 Ask not for whom the bell tolls Article in American Psychologist · March 1980 DOI: 10.1037/0003-066X.35.2.223.a · Source: PubMed CITATIONS 4 READS 15 2 authors: Gene V Glass Arizona State University 180 PUBLICATIONS 12,670 CITATIONS SEE PROFILE Mary Lee Smith 75 PUBLICATIONS 4,115 CITATIONS SEE PROFILE All content following this page was uploaded by Gene V Glass on 25 July 2014. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately.