Nielsen Norman Group · 20 Jun 2026
A breakdown of three diary-study incentive structures — flat minimum-entry, pay-per-entry, and tiered pay-per-entry — arguing that because these studies compensate effort rather than time, the incentive design itself is the strongest lever against attrition and uneven entry distribution.
Industry lens
As passive behavioural capture and agentic research tooling mature, does incentivised self-report diary work stay worth its administrative cost, or does it narrow to the experiential gaps instrumentation can't reach?
