Following last year’s publication of Turnitin Effectiveness: Plagiarism Prevention in U.S. High Schools, Turnitin has recently published a follow-up research study, Turnitin Effectiveness in U.S. Colleges and Universities.

Similar to the earlier study, the college and university study purports to demonstrate that, although schools and colleges which qualified for the study often experience an increase in the rate of “unoriginal content” in the first year of Turnitin use, most schools and colleges experience a decrease in the rate of unoriginal content in the second year of use, and, on average, all schools experience decreases in the third and subsequent years.

Unlike the earlier study, Turnitin does not use unfounded assumptions of increase in rates of use of unoriginal content in schools which do not use Turnitin in an attempt to demonstrate how effective use of Turnitin can be (see Imagine… (another flawed study)).

However, just as in the earlier study, Turnitin only considers papers Continue reading →