Get PASS 16 Now!

We are pleased to announce the release of PASS 16 with 55 new
sample size procedures, including new procedures for
- Logistic Regression
- Generalized Estimating Equation (GEE) Tests
- Repeated Measures Slope Tests for Continuous, Binary, and Count Data (GEE)
- Repeated Measures Time-Averaged Difference Tests for
Continuous, Binary, and Count Data (GEE)
- Mixed Models Tests for Means, Proportions, and Slopes in 2-
Level and 3-Level Hierarchical Designs
- 2×2 Cross-Over Design Tests for Proportions, Poisson Rates,
and Ordinal Data
- Williams Cross-Over Design Tests for Means and Proportions
- Multiple Correlated Proportions (Stuart-Maxwell Test)
PASS 16 also includes new automatic Installation Qualification
(IQ) and Operational Qualification (OQ) tools to make software
validation much easier.
PASS 16 adds new report section options to give the user
flexibility and to enhance output readability.
Visit our website for more information about all of the new
procedures and features available in PASS 16 and for upgrade


Explore PASS16 with no obligation!

Download a free, no-obligation limited trial of PASS 16 

Use the following code to activate the limited trial for 30 days.

Trial Activation Code: TryPASS16

Installation of PASS 16 will not affect other PASS or NCSS products that you may already have installed on your computer. PASS 16 can be uninstalled at any time.

We want all PASS users to be able to benefit from the many new features and procedures available in PASS 16. Although PASS 12 is technically longer upgradeable.

About that we are offering PASS 12 users the chance to upgrade to PASS 16 at the PASS 13 upgrade price until August 31, 2018!

After August 31, 2018, PASS 12 users will have to purchase a new license to get PASS 16, so don't wait!