HEATKEYS

Free Online Power and Sample Size Calculators.

NCSS Statistical Software is an easy to use data analysis, statistical analysis, and statistical graphics analysis package - Import/Exports data from SAS,SPSS,Minitab,Stata, Access, Dbase, and ASCII files. PASS: Power Analysis and Sample Size Softwar...

Easy-to-use software for the calculation and analysis of the statistical power, sample size or any other parameter in a study design. Includes tests, point estimates and confidence intervals. Monte Carlo simulations for small samples and group sequen...

Department of Statistics UBC, University of British Columbia, Canada

The Survey System is the most complete survey software package available today. The Survey System can handle telephone surveys, PDA surveys, web surveys, and a host of others. Request your free quote today!

Sample Size - Power Analysis Software: To find or calculate the sample size for a planned study. Power And Precision is a computer program for statistical power analysis. This software features an extremely clear interface, and it allows researchers...

Who should use this website? Nothing focuses the researcher’s mind like a sample size calculation! Dichotomous versus continuous? Are you doing an experiment? Understanding observational study designs Who should use this website? If you are a clini...

A large collection of links to interactive web pages that perform statistical calculations

Clinical tools and calculators for medical professionals. Includes mobile applications, advanced pharmacokinetic utilities, and a wealth of evidence-based medicine.

Marketing research for the health care industry. As perhaps the largest research company built around the unique needs of health insurance organizations, DSS has more applicable experience with every type of health insurance marketing research study ...