Study Sees Benefit in Courses With Nontenured Instructors

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While many higher education experts -- and parents -- bemoan the fact that tenured professors are a shrinking presence, now making up less than a quarter of the academic work force, a study released Monday found, surprisingly, that students in introductory classes learned more from outside instructors than from tenured or tenure-track professors.

Students taught by untenured faculty were more likely to take a second course in the discipline and more likely to earn a better grade in the next course than those whose first course was taught by a tenured or tenure-track instructor, the report said.

The study, released by the National Bureau of Economic Research, is based on data from more than 15,000 students who arrived at Northwestern University from 2001 to 2008.

According to the authors -- David N. Figlio, director of Northwestern's Institute for Policy Research; Morton O. Schapiro, the university's president; and Kevin B. Soter, a consultant -- there was "strong and consistent evidence that Northwestern faculty outside of the tenure system outperform tenure track/tenured professors in introductory undergraduate classrooms." The differences were present across a wide variety of subject areas, the study found, and were especially pronounced for average and less-qualified students.

"Our results provide evidence that the rise of full-time designated teachers at U.S. colleges and universities may be less of a cause for alarm than some people think, and indeed, may actually be educationally beneficial," the report said.

The fact that the study included only one university -- and a selective, private research university at that -- left its general applicability open to question. And, skeptics point out, there are many reasons a student might take a second class in a discipline apart from the teaching skills of the previous instructor.

"I'm kind of dubious," said Anita Levy, a senior program officer at the American Association of University Professors. "I'm not surprised that introductory classes might be better taught by contingent faculty members simply because most tenured faculty more often teach advanced courses. My worry is that a study like this can be used to justify hiring more contingent faculty who won't have due-process protections or job security and might not even have offices. It's part of the just-in-time, Walmartization of higher education."

In its reports, the association has said that the concentration of contingent faculty "weakens the academic enterprise." And while the new study found positive results, some earlier studies have found negative effects associated with the increase in part-time and nontenured faculty.

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This article originally appeared in The New York Times.


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