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  • What's the Difference?

      • Posted Apr 8, 2002 10:17 PM

      The criteria for Measurement Quality is:
      Accuracy of measurement = Reliability + Validity.

      Here are some questions to help ya guys out:

      1. What is the difference between validity and reliability?

      2. What is the difference between these measurement levels: nominal, ordinal, and interval/ratio?

      3. What is the difference between the dependant and independant variable?

      4. What is the difference between internal and external valdity and what are the types?

      5. What are the different types of survey methods?
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