FYI,
Among the books I examined (some old, some recent) were texts by Hays, Mendenhall,
Neter et al., Moore & McCabe, Jaccard & Becker, and Myers.
rick
--- "William B. Ware" wrote:
On 8 May 2000, Richard M. Barton wrote:
> ***Technically incorrect? I'm not so sure. I just looked in stat books by 13
>authors, to see how null and alternative hypotheses were presented in a one-tailed
>testing situation. Most of my books are from the social sciences. Results:
>
> 1 texts presented hypotheses in the form of
> Ho: d<=0
> Ha: d>0
>
> 10 presented in the form of
> Ho: d=0
> Ha: d>0
>
> 2 presented both forms
I happen to agree with Don's assertion that this "incomplete" form is
technically incorrect. My concern is the implication of Richard's finding
as an assessment of the quality of the texts that are being used...
WBW
__________________________________________________________________________
William B. Ware, Professor and Chair Educational Psychology,
CB# 3500 Measurement, and Evaluation
University of North Carolina PHONE (919)-962-7848
Chapel Hill, NC 27599-3500 FAX: (919)-962-1533
http://www.unc.edu/~wbware/ EMAIL: [EMAIL PROTECTED]
__________________________________________________________________________
--- end of quote ---
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