While task completion and task time are the default choices for measuring task effectiveness and task efficiency, the methods used to capture people’s feelings about an experience certainly seem more varied. But after measuring post-task perceptions for decades, we’ve found that a simple seven-point item does a good job of capturing not only perceptions of
The primary driving forces of evolution are variation, competition, and natural selection. In the domain of rating scales, variants are developed and tested to see which variant has the best measurement properties, and the winner of that competition survives to appear in future studies. The Single Ease Question (SEQ®) is a single seven-point question asked
Our attitudes both reflect and affect our actions. What we think affects what we do and what we do affects what we think. It’s not a perfect relationship of course. What people say or think doesn’t always directly correspond to actions in easily predictable ways. Understanding and measuring user attitudes early and often can provide
