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Off the Track

An eight-year study finds freshman benefit more from adjunct-taught classes than those led by faculty in the tenure system.

By | September 9, 2013

SXC.HU, FRED KUIPERS

For first-year university students, the recent uptick in adjunct instructors may not be a bad thing. A National Bureau of Economic Research study published this month tracked eight cohorts of freshmen at Northwestern University to determine how different faculty impacted learning—finding that students in adjunct-taught courses were more likely to enroll and succeed in subsequent classes in the same subject area.

Non-tenure-track or adjunct instructors now make up some 70 percent of the teaching faculty at universities across the United States, according to The Chronicle of Higher Education. Previous studies have suggested that hiring more adjunct faculty, particularly part-time adjuncts, could have negative long-term effects on institutions.

But the present study examined the impact of faculty status on “genuine student learning.” From fall 2001 to fall 2008, researchers followed 15,000 first-year students under the assumption that freshmen were more likely to select classes “with limited knowledge about instructor quality or characteristics.” Most students took at least one course taught by adjunct faculty, as well as at least one taught by faculty who were in the tenure system. The authors then analyzed the students’ transcript data from subsequent semesters.

“Our findings suggest that non-tenure track faculty at Northwestern not only induce students to take more classes in a given subject than do tenure line professors, but also lead the students to do better in subsequent coursework than do their tenure track/tenured colleagues,” the authors wrote. The benefits held across disciplines and were especially strong for students who entered the university with lower SAT scores, they added.

Northwestern is a highly selective school whose students may not be representative of the wider U.S. student population, the authors acknowledged. And it’s possible that the apparent advantages of adjunct-taught introductory courses do not apply in advanced courses. But the researchers hope to provide fodder to the argument that the increase in non-tenure-track faculty “may be less of a cause for alarm than some people think, and indeed, may actually be educationally beneficial,” they wrote.

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Comments

Avatar of: Curculio

Curculio

Posts: 48

September 11, 2013

How can this study be interpreted?  First, it suggests that tenured people at Northwestern aren't worth their salt, at least for lower division courses.  Second, adjunct like to be brought back and might make things easier for the students in terms of grading, while at the same time inject enthusiasm into the courses, both to help upgrade their evaluations.  Tenured faculty there might view these courses as weed-outs.  

Avatar of: Neurona

Neurona

Posts: 33

September 11, 2013

This study applies to research-intensive institutions (R1s) precisely because they have a two-tiered caste system. Tenure track faculty are recruited and retained for their research prowess.  Adjunct instructors are recruited and retained for their teaching prowess. 

Avatar of: Paul Stein

Paul Stein

Posts: 126

September 11, 2013

This is, hopefully, good news for those under-employed Ph. D.'s who may wish to find their calling in university teaching.  It can only be good news if universities do not over-exploit these individuals once again (the first time as doctoral students seeking degrees) with low wages way beneath their educational level.

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