Describe an experimental design to test the casual hypothesis that

 

Describe an experimental design to test the casual hypothesis that D.A.R.E. reduces recidivism.

Include in your answer, if your experimental design is feasible?  Why or Why not?

  1. Discuss the difference between validity and reliability when making measurements? Give an example of each.
  2. Select one example of probability sampling techniques and one example of non-probability sampling techniques and give an example of a research project that would be appropriate for each sampling technique.

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