{"id":1400,"slug":"ovsiankina-task-resumption-defensible-cousin","title":"Ovsiankina effect — defensible cousin of Zeigarnik: general tendency to RESUME interrupted tasks, confirmed by the 2025 Zeigarnik meta-analysis even as the memory claim failed","kind":"reference","scope":"business","status":"current","audiences":["kevin","smb-owner","candid-team"],"topics":["behavioral-economics","interactive-tool-mechanisms"],"reference_body":"**Claim:** The **Ovsiankina effect** — the general tendency to **resume interrupted tasks** — was **confirmed** by the same 2025 meta-analysis ([[zeigarnik-2025-meta-no-memory-advantage]]) that failed the Zeigarnik memory claim.\n\n**Source:** Ovsiankina (1928); Nature 2025 meta-analysis (above).\n\n**Confidence:** Verified.\n\n**Why this matters for Candid:** Defensible behavioural anchor for **save-and-resume** patterns in tools, and for **partial-completion** UX (showing a user \"you're 4 of 7 fields in\" pulls them back). Pair with [[kivetz-2006-goal-gradient-coffee-stamps]] — both are real; the Zeigarnik *memory* claim is not.","rationale_body":null,"metadata":null,"links":{"outgoing":[{"slug":"zeigarnik-2025-meta-no-memory-advantage","title":"CORRECTION: 2025 meta-analysis (Nature, Humanities & Social Sciences Communications; 38 Zeigarnik studies) — NO overall memory advantage for unfinished tasks (Cohen's dz ≈ 0.15)","kind":"reference","scope":"business","link_type":"depends-on"}],"incoming":[{"slug":"research-brief-interactive-tool-mechanisms-smb-june-2026","title":"Research brief: why interactive tools deepen a business's relationship with its audience — a mechanism-level research package (June 2026)","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"rule-design-for-goal-gradient","title":"R2 — Design every multi-step tool for the goal gradient: visible progress + low interaction cost + start-state non-empty when possible","kind":"rule","scope":"business","link_type":"depends-on"},{"slug":"rule-do-not-invoke-zeigarnik-memory-use-goal-gradient","title":"R7 — Do NOT invoke the Zeigarnik memory claim in client conversations or content; use goal-gradient / Ovsiankina instead — the memory effect failed to replicate in 2025 meta-analysis","kind":"rule","scope":"business","link_type":"depends-on"}]},"created_at":"2026-06-20T18:18:57.567Z","updated_at":"2026-06-20T18:18:57.567Z"}