Patall, Cooper & Robinson (2008), Psychological Bulletin (41 studies meta) — choice enhances intrinsic motivation, effort, performance, perceived competence; moderated (2-4 choices, no extrinsic reward, children > adults)
Summary
Claim: Patall, Cooper & Robinson (2008), Psychological Bulletin 134(2), 270-300 — 41-study meta-analysis: providing choice enhanced intrinsic motivation, effort, task performance, and perceived competence.
Source: Patall, Cooper & Robinson (2008), Psychological Bulletin.
Confidence: Verified (meta-analysis).
Caveat: Effect was modest and moderated — stronger for instructionally irrelevant choices, when 2-4 successive choices were given, when no extrinsic reward followed, and for children more than adults. Too much choice or choice that adds burden can wash out the benefit.
Why this matters for Candid: Quantifies and bounds the "let users choose" lever. Practical: 2-4 meaningful choices in a tool; not 12. Anchors R3 — Support agency + competence (2-4 meaningful choices + positive contextual feedback); avoid choice overload and frustration; let the user DO the work.
Related entries
Referenced by (3)
- research-notes Research notes (capture-layer top-up): why interactive online tools are psychologically engaging — six additional mechanisms (June 2026) relates-to
- reference Caveats for the engagement-mechanisms top-up: strong independent evidence sits at the MECHANISM level not the business-outcome level; nearly every effect is moderated relates-to
- rule R3 — Support agency + competence (2-4 meaningful choices + positive contextual feedback); avoid choice overload and frustration; let the user DO the work depends-on