Homework Help: Research

Posted by John on Friday, July 9, 2010 at 10:34pm.

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?

Research - Ms. Sue, Friday, July 9, 2010 at 10:39pm
Here's an excellent summary.

http://web.cortland.edu/andersmd/STATS/valid.html
Research - Jen, Friday, July 9, 2010 at 11:04pm
And yes, they can be one but not the other.

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