Question

Define the terms “valid” and “reliable” as they relate to statistics. Can a test be reliable and not valid or vise versa? Why or why not?

Jul 10, 2010

Here's an excellent summary.

http://web.cortland.edu/andersmd/STATS/valid.html

Jul 10, 2010

And yes, they can be one but not the other.

Jul 10, 2010

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