Question: A causal-comparative study requires: a researcher manipulated grouping variable. established groups that differ on some variable. beginning with effects and investigating causes. three or more

A causal-comparative study requires:

  1. a researcher manipulated grouping variable.
  2. established groups that differ on some variable.
  3. beginning with effects and investigating causes.
  4. three or more levels of grouping variable and one dependent variable.

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