Our assistant now personalises answers using each user's history. How do you evaluate quality when there's no single right answer?

Compare the same request with and without the profile, judged by people who see the profile, and test the three failures users notice: ignoring a stated preference, using a stale one and over-personalising.

Updated Nov 2026 · Original practice questions with worked answers and teaching rubrics. Our editorial policy explains the sources, review process and limits.