Prospective preference assessment: a method to enhance the ethics and efficiency of randomized controlled trials.

@article{Halpern2002ProspectivePA,
  title={Prospective preference assessment: a method to enhance the ethics and efficiency of randomized controlled trials.},
  author={Scott D Halpern},
  journal={Controlled clinical trials},
  year={2002},
  volume={23 3},
  pages={274-88}
}
The concomitant problems of underenrollment and selective enrollment limit the efficiency of many randomized controlled trials (RCTs). In addition, the traditional informed consent process is often inadequate to respect research participants' autonomy. Past efforts to overcome these problems are not universally applicable. A new method, called prospective preference assessment (PPA), is suggested as a way to simultaneously enhance participant accrual, identify groups of patients to whom a trial… CONTINUE READING