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| Statistical power analysis and sample size determination are
crucial elements of study design. A study which
has too few subjects may produce inconclusive results.
But, neither do we want to waste scarce
resources on a study which is larger than
necessary. nQuery Advisor's intuitive and easy-to-use interface and superb range of sample size tables makes it the sample size software of choice for leading statisticians, research organizations, and pharmaceutical » Подробнее... |  |
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Statistical power analysis and sample size determination are
crucial elements of study design. A study which
has too few subjects may produce inconclusive results.
But, neither do we want to waste scarce
resources on a study which is larger than
necessary.
nQuery Advisor's intuitive and easy-to-use interface and superb
range of sample size tables makes it the
sample size software of choice for leading statisticians,
research organizations, and pharmaceutical companies.
nQuery Advisor helps you
provide the standard deviation and effect size information
you need to make sample size and power
analysis computations.
nQuery Advisor also writes up the sample
size/power decision. These automated sample size justification statements
make it easy to report the sample size/power
decision in the correct language and format in
accordance with FDA/ICH guidelines.