DSS provides consulting for health plans and carriers, hospitals, other health care providers, health and wellness organizations, medical products and supplies companies, and a range of organizations in other industries across the country and the globe. Their services include research, analytics and consulting.
DSS offers several calculators that may be useful to researchers.
Statistical Power: The Statistical Power tools calculate beta error or statistical power for a given sample or samples. Both one-tail and two-tail tests can be performed on averages and percentage values.