{"id":"https://openalex.org/W3171789931","doi":"https://doi.org/10.1353/obs.2015.0009","title":"Introduction to Observational Studies and the Reprint of Cochran\u2019s paper \u201cObservational Studies\u201d and Comments","display_name":"Introduction to Observational Studies and the Reprint of Cochran\u2019s paper \u201cObservational Studies\u201d and Comments","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W3171789931","doi":"https://doi.org/10.1353/obs.2015.0009","mag":"3171789931"},"language":"en","primary_location":{"id":"doi:10.1353/obs.2015.0009","doi":"https://doi.org/10.1353/obs.2015.0009","is_oa":true,"landing_page_url":"https://doi.org/10.1353/obs.2015.0009","pdf_url":null,"source":{"id":"https://openalex.org/S4210233578","display_name":"Observational Studies","issn_l":"2767-3324","issn":["2767-3324"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-20"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Observational Studies","raw_type":"journal-article"},"volume":null,"type":"book-review","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1353/obs.2015.0009","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090252563","display_name":"Dylan S. Small","orcid":"https://orcid.org/0000-0003-4928-2646","observed_orcids":["https://orcid.org/0000-0003-4928-2646"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Dylan S. Small","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5090252563"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":"1","first_page":"124","last_page":"125"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10845","display_name":"Advanced Causal Inference Techniques","score":0.9775000214576721,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10845","display_name":"Advanced Causal Inference Techniques","score":0.9775000214576721,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14374","display_name":"Statistical Methods in Epidemiology","score":0.00570000009611249,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11798","display_name":"Optimal Experimental Design Methods","score":0.002099999925121665,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/history-of-statistics","display_name":"history of statistics","score":0.796999990940094},{"id":"https://openalex.org/keywords/observational-study-design","display_name":"observational study design","score":0.41999998688697815},{"id":"https://openalex.org/keywords/causal-inference","display_name":"causal inference","score":0.5189999938011169}],"concepts":[{"id":"https://openalex.org/C2778489119","wikidata":"https://www.wikidata.org/wiki/Q1962297","display_name":"Reprint","level":2,"score":0.9582332372665405},{"id":"https://openalex.org/C23131810","wikidata":"https://www.wikidata.org/wiki/Q818574","display_name":"Observational study","level":2,"score":0.8917590379714966},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.33271658420562744},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17364537715911865},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.16479533910751343},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0931965708732605},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.03726401925086975}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1353/obs.2015.0009","doi":"https://doi.org/10.1353/obs.2015.0009","is_oa":true,"landing_page_url":"https://doi.org/10.1353/obs.2015.0009","pdf_url":null,"source":{"id":"https://openalex.org/S4210233578","display_name":"Observational Studies","issn_l":"2767-3324","issn":["2767-3324"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-20"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Observational Studies","raw_type":"journal-article"},{"id":"pmh:oai:muse.jhu.edu:/article/793408","doi":null,"is_oa":false,"landing_page_url":"https://muse.jhu.edu/article/793408","pdf_url":null,"source":{"id":"https://openalex.org/S4377196299","display_name":"Project Muse (Johns Hopkins University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I145311948","host_organization_name":"Johns Hopkins University","host_organization_lineage":["https://openalex.org/I145311948"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1353/obs.2015.0009","doi":"https://doi.org/10.1353/obs.2015.0009","is_oa":true,"landing_page_url":"https://doi.org/10.1353/obs.2015.0009","pdf_url":null,"source":{"id":"https://openalex.org/S4210233578","display_name":"Observational Studies","issn_l":"2767-3324","issn":["2767-3324"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-20"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Observational Studies","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2791608912","https://openalex.org/W3167305515","https://openalex.org/W7098263413","https://openalex.org/W7098661976","https://openalex.org/W4241117256","https://openalex.org/W2320203945","https://openalex.org/W7100496512","https://openalex.org/W2542627260","https://openalex.org/W4403888231","https://openalex.org/W2317602494"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2021-06-22T00:00:00"}