Activity

6 studies of different sizes comparing treatments A and B are shown below. Drag them into the pool in numbered order to see what happens to the pooled estimate.

Pool of studies - treatment A V B

  • oval1
  • oval2
  • oval3
  • oval4
  • oval5
  • oval6
  • oval1
    Effect size
    = 5% beneficial
  • oval2
    Effect size
    = 20% harmful
  • oval3
    Effect size
    = 22% beneficial
  • oval4
    Effect size
    = 7% beneficial
  • oval5
    Effect size
    = 14% beneficial
  • oval6
    Effect size
    = 2% harmful