In an earlier article, we examined a large dataset of rating scale data. After analyzing over 100,000 individual responses from 4,048 multipoint items across 25 studies, we reported the typical standard deviations for five-, seven-, and eleven-point items.| measuringu.com
When working with UX metrics (e.g., rating scale data) you need to consider both the average and the variability of the responses.| MeasuringU