{"work":{"id":"e1182ec5-e24a-49b9-b14d-7ab29b7019db","openalex_id":"https://openalex.org/W2159306398","doi":"10.1007/bf02310555","arxiv_id":null,"raw_key":null,"title":"Coefficient alpha and the internal structure of tests,","authors":null,"authors_text":"https://doi","year":1951,"venue":"Psychometrika","abstract":null,"external_url":"https://doi.org/10.1007/bf02310555","cited_by_count":43211,"metadata_source":"openalex","metadata_fetched_at":"2026-08-05T02:28:24.338817+00:00","pith_arxiv_id":null,"created_at":"2026-05-10T19:25:44.793398+00:00","updated_at":"2026-08-05T02:28:24.338817+00:00","title_quality_ok":true,"display_title":"Coefficient alpha and the internal structure of tests","render_title":"Coefficient alpha and the internal structure of tests"},"hub":{"state":{"tier_text":"super_hub","tier":"super_hub","tier_reason":"100+ Pith inbound or 10,000+ external citations","pith_inbound_count":2,"external_cited_by_count":43211},"tier":"super_hub","role_counts":[{"context_role":"background","n":1}],"polarity_counts":[{"context_polarity":"background","n":1}],"runs":{},"summary":{},"graph":{},"authors":[]}}