Acknowledgments:
This calculator was written by Rollin Brant and can be
found at http://www.health.ucalgary.ca/~rollin/stats/ssize/index.html
.
You can email him at rollin@health.ucalgary.ca.
The JavaScript underlying this page uses normal quantile and probability
functions taken from Jan deLeeuw's Web-Based Statistics:
The Study of Stability in Variation. A much more extensive (and not
Javascript-dependent) set of pages for sample size calculations can be
found at UCLA's
Power Calculator
Disclaimer:
There is no warranty for the program, to the extent permitted
by applicable law. The copyright holders and/or other parties provide the
program "as is" without warranty of any kind, either expressed or implied.
The entire risk as to the quality and performance of the program is with
you. Should the program prove defective, you assume the cost of all necessary
servicing, repair or correction. In no event unless required by applicable
law or agreed to in writing will any copyright holder, or any other party
who may modify and/or redistribute the program, be liable to you for damages,
including any general, special, incidental or consequential damages arising
out of the use or inability to use the program (including but not limited
to loss of data or data being rendered inaccurate or losses sustained by
you or third parties or a failure of the program to operate with any other
programs), even if such holder or other party has been advised of the possibility
of such damages.
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