Moderates a live usability-test session the NN/g way: think-aloud intro script, neutral re-prompts, echo/boomerang/Columbo probes, intentional silence, the no-premature-rescue rule, atomic note capture, and observer ground rules with a post-session debrief. Use when running or preparing to run a session with a real participant — 'moderate the session', 'run the usability test', 'facilitator script', 'think-aloud instructions', 'the participant is stuck / asks for help / went quiet — what do I say?', 'brief my observers', 'debrief after the session'. NOT for planning the study (plan-usability-test), writing the tasks (write-task-scenarios), or analyzing results afterward (…
