• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index


Matching refers to creating sets of TREATMENT and CONTROL units based on their similarity on one or more covariates. In randomized experiments, matching reduces error variance, thus increasing STATISTICAL ...

    • 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