Interaction (4 of 8)

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Interactions can be described in a variety of ways. Examples of graphs of interactions and possible verbal descriptions of each follow.

interaction plot

  1. The difference between the treatment and control conditions was greater for subjects performing Task 1 than for subjects performing Task 2.

  2. There was a greater difference between Task 1 and Task 2 for subjects in the treatment condition than there was for subjects in the control condition.

  3. Tasks 1 and 2 were performed about equally well in the control condition but Task 1 was performed considerably better than Task 2 in the treatment condition.
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