Simply put, a variable is a measurement of something that holds at least two distinct values across participants within a study. In contrast, a constant holds the same value across all study participants. Whereas constants such as the speed of ...

  • 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