by Dr. Shawn P. Capser, Ph.D., P.E., PStat®, CRE | Oct 16, 2026 | Statistical Analysis
Consider a litigation matter involving allegations of defects among a large population of units. The units might be homes within a residential development, manufactured products, building components, insurance claims, or other items relevant to the matter. Inspecting...
by Dr. Shawn P. Capser, Ph.D., P.E., PStat®, CRE | Sep 1, 2026 | Statistical Analysis
Preparing Expert Testimony to Withstand a Daubert Challenge In many product liability, manufacturing defect, and warranty disputes, expert testimony plays an important role in explaining technical evidence and supporting opinions regarding product performance,...
by Dr. Shawn P. Capser, Ph.D., P.E., PStat®, CRE | Jul 13, 2026 | Statistical Analysis
The main takeaway: In complex product liability lawsuits, relying solely on “common sense” or traditional engineering testimony isn’t enough. Legal teams need a statistical expert witness to turn messy data into a defensible, objective narrative that...
by Dr. Shawn P. Capser, Ph.D., P.E., PStat®, CRE | Jun 26, 2026 | Statistical Analysis
One of the more surprising concepts in statistical analysis is Simpson’s Paradox. It occurs when a relationship observed in aggregated (or marginal) data reverses direction after the data are separated into meaningful subgroups (or conditional data). In simple...
by Dr. Shawn P. Capser, Ph.D., P.E., PStat®, CRE | May 29, 2026 | Statistical Analysis
In statistics and data analysis, stratified random sampling is a method used to select a sample from a larger population by first dividing that population into smaller groups, called strata, and then randomly selecting observations from each group. The purpose of...