Experiments TIG Week: Biggest Complaints: Experiments have limited external validity, take too long, and cost too much by Laura Peck
Welcome to the final installment of the Design & Analysis of Experiments TIG-sponsored week of AEA365. It’s Laura Peck of Abt Associates, here again to address some complaints about experiments. Experiments have limited external validity Experimental evaluation designs are often thought to trade internal validity (ability to claim cause-and-effect between program and impact) with external …