{"id":1759,"slug":"nngroup-faceted-search-refinement-definition","title":"Nielsen Norman Group — faceted search refines a large content set; controls + results displayed simultaneously","kind":"reference","scope":"business","status":"current","audiences":["kevin","dev","candid-team"],"topics":["information-architecture","faceted-search"],"reference_body":"**Claim:** Nielsen Norman Group frames the two defining elements of faceted search: \"Faceted search lets users refine a set of results by applying filters that comprehensively describe the search space. Such narrowing is invaluable for users who need to find something specific within a large content set.\" NN/g stresses (1) simple controls (checkboxes, drop-downs with natural-language labels) and (2) simultaneous display of facet controls and results, which \"makes the effects of each filter instantly visible.\"\n\n**Source:** Nielsen Norman Group, \"Mobile Faceted Search with a Tray,\" nngroup.com (accessed June 2026).\n\n**Confidence:** Verified — independent UX research body.\n\n**Why this matters for Candid:** NN/g is the most credible independent UX-research voice on faceted search. Their framing of facets as *independent dimensions* underpins the \"attribute richness\" leg of [[rule-build-catalogue-when-records-numerous-changing-multi-attribute]].","rationale_body":null,"metadata":null,"links":{"outgoing":[{"slug":"sciencedirect-faceted-search-definition","title":"ScienceDirect — faceted search definition: progressive refinement by independent facets/attributes","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"rule-build-catalogue-when-records-numerous-changing-multi-attribute","title":"R1 — Build a searchable, structured catalogue when records are numerous, change often, or carry several independent queryable attributes","kind":"rule","scope":"business","link_type":"relates-to"}],"incoming":[{"slug":"research-brief-searchable-structured-catalogue-working-tool-june-2026","title":"Research brief: the searchable, structured catalogue as a working tool — when records-not-prose pays off (June 2026)","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"flowhunt-faceted-search-plain-language-glossary","title":"FlowHunt (vendor glossary) — faceted search plain-language: filter by multiple attributes simultaneously vs single-attribute filter","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"baymard-list-usability-67-90-vs-17-33-abandonment-2015","title":"Baymard Institute (2015) — sites with mediocre product list usability saw 67-90% abandonment vs 17-33% for sites with even a slightly optimised toolset","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"nngroup-faceted-overkill-tradeoff-interaction-cost","title":"Nielsen Norman Group — faceted navigation adds interaction cost and vocabulary/metadata maintenance \"consumes significant financial and human resources\"","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"algolia-value-scales-multiple-specifications","title":"Algolia (vendor) — faceting helps when catalogs have multiple specifications and broad-based filtering is insufficient","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"rule-build-catalogue-when-records-numerous-changing-multi-attribute","title":"R1 — Build a searchable, structured catalogue when records are numerous, change often, or carry several independent queryable attributes","kind":"rule","scope":"business","link_type":"depends-on"}]},"created_at":"2026-06-21T13:17:12.585Z","updated_at":"2026-06-21T13:17:12.585Z"}