See also: Using SAS® Enterprise BI and SAS® Enterprise Miner™ to
Reduce Student Attrition & Propensity Score Matching in Higher Education Research
From an older article in the Chronicle of Higher Education:
"The new policy will permit -- but not require-- all of the department's units to give preference to grant applicants who promise to use randomized controlled trials or similar quasi experimental
Complaints From Researchers:
"They argued that randomized trials were expensive and difficult to conduct on a meaningful scale... posed ethical problems"
Well that sounds exactly like a scenario for quasi-experimental methods and causal inference!
New Federal Policy Favors Randomized Trials in
By DAVID GLENN
March 11, 2005