[IPAC-List] Brief description of type 3 and type 4 errors in hypotheis testing.

[Joel Wiesen]

FYI-

http://magazine.amstat.org/blog/2014/02/01/mastersfeb2014/

"A type III error occurs when the statistician offers the correct 
statistical advice for the wrong research question."

"...type IV errors: when a statistician performs the correct analysis 
that answers the right research questions when a simpler analysis would 
suffice. Why is a type IV error something to worry about? If the 
statistics are correct, isn’t our job done? The issue is that when 
statisticians commit type IV errors, we are potentially alienating the 
client from the collaborative relationship and giving them results they 
cannot use."





-- 
Joel P. Wiesen, Ph.D., Director
Applied Personnel Research
62 Candlewood Road
Scarsdale, NY 10583-6040
http://www.linkedin.com/in/joelwiesen
(617) 244-8859
http://appliedpersonnelresearch.com




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