Acceptance of null hypothesis

Hello!

Now that null hypothesis blossoms in all threads I would like to add
another one. I understand the acceptance part of alternative
hypothesis, but I am sometimes encountered in situation when my
goal is to prove null hypothesis. Example?

We have two diets, medicaments, ... say placebo and test group and
would like to prove that they do not differ. How should one deal with
this issue?

--
Lep pozdrav / With regards,
Gregor Gorjanc

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University of Ljubljana PhD student
Biotechnical Faculty
Zootechnical Department URI: http://www.bfro.uni-lj.si/MR/ggorjan
Groblje 3 mail: gregor.gorjanc <at> bfro.uni-lj.si

SI-1230 Domzale tel: +386 (0)1 72 17 861
Slovenia, Europe fax: +386 (0)1 72 17 888

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"One must learn by doing the thing; for though you think you know it,
you have no certainty until you try." Sophocles ~ 450 B.C.
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