'What works' broadens its research standards
By Sarah D. Sparks/Education Week
For the first time since its inception, the U.S. Department of Education’s What Works Clearinghouse is broadening its definition of “gold standard” research to include nonexperimental designs. As part of the Institute of Education Sciences’ push to make research more relevant to educators, the clearinghouse has devised standards by which it can consider two new methods for rigorous research. In addition to the randomized, controlled trials now considered the gold standard, education researchers are now able to use regression-discontinuity, a method that uses a cutoff point rather than random assignment to form comparison groups, and single-case studies in certain situations. In clearinghouse reviews, studies that adhere to the new standards are now considered, along with randomized, controlled trials, to result in the “strongest evidence” to guide educators and policymakers. (more…)