Zelen's Randomized Consent Design

The Zelen's randomized consent designs are modifications to a standard randomized controlled trial (RCT), in which participants are asked for consent to take part in the trial after randomization has taken place. Marvin Zelen proposed two modifications: In the single-consent ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles