In Part 1, I described an instructional innovation Professor Fred Keller designed in the mid-1960s aimed at transforming the traditional college undergraduate lecture course in psychology. Called Personalized System of Instruction, PSI was a course using behaviorist techniques that permitted students to move at their own pace in finishing assignments, taking tests, and completing the course. Similar courses in the social and natural sciences spread rapidly across university campuses throughout the 1970s and early 1980s.
Initially popular as they were in converting traditional courses into individually guided lessons, these university courses faded. By the mid-1990s, few faculty used PSI for introductory courses.
Evidence of higher student scores for those completing the PSI course as compared to traditional lecture course, however, clearly supported the innovation. Dropping PSI, then, had little to do with its demonstrated success with students. Other factors played a part in the disappearance of PSI on college campuses…
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