To get around the limitations in the analysis of the wave form itself, the common practice is to perform frequency analysis, also called spectrum analysis, on the vibration signal. QuestionPro's Frequency Analysis module would provide you with more precised reports and charts for your collected data.

Survey Analysis - How to

Introduction to TURF - Total Unduplicated Reach and Frequency

Advanced TURF - Line Optimization and Price Modeling

Using the TURF module to analyze data already collected

Trend Analysis - Analyzing Aggregate Response Data over Time

Conjoint Analysis - Discrete Choice (CBC)