Why an Active Control Group Makes a Difference and What to Do About It

• প্রধান লেখক: Lois-ellin Datta (লেখক)
• বিন্যাস: গ্রন্থ
• প্রকাশিত: The Evaluation Center at Western Michigan University, 2007-07-01T00:00:00Z.
• বিষয়গুলি: article
• অনলাইন ব্যবহার করুন: Connect to this object online.

The Randomized Control Trials (RCT) design and its quasi-experimental kissing cousin, the Comparison Group Trials (CGT), are golden to some and not even silver to others. At the center of the affection, at the vortex of the discomfort, are beliefs about what it takes to establish causality. These de...