{"id":"https://openalex.org/W2053089656","doi":"https://doi.org/10.1080/00223980.1946.9917292","title":"TheP1P2/DHypothesis: The Case of Railway Express","display_name":"TheP1P2/DHypothesis: The Case of Railway Express","publication_year":1946,"publication_date":"1946-07-01","ids":{"openalex":"https://openalex.org/W2053089656","doi":"https://doi.org/10.1080/00223980.1946.9917292","mag":"2053089656"},"language":"en","primary_location":{"id":"doi:10.1080/00223980.1946.9917292","doi":"https://doi.org/10.1080/00223980.1946.9917292","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00223980.1946.9917292","pdf_url":null,"source":{"id":"https://openalex.org/S49549746","display_name":"The Journal of Psychology","issn_l":"0022-3980","issn":["0022-3980","1940-1019"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","erih-plus","fnege-4","jufo-1","medline","norway-1","poland-40","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Psychology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045541099","display_name":"George Kingsley Zipf","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"George Kingsley Zipf","raw_affiliation_strings":["Harvard University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Harvard University, USA","institution_ids":["https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5045541099"],"corresponding_institution_ids":["https://openalex.org/I136199984"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"22","issue":"1","first_page":"3","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12430","display_name":"Academic and Historical Perspectives in Psychology","score":0.30790001153945923,"subfield":{"id":"https://openalex.org/subfields/3200","display_name":"General Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12430","display_name":"Academic and Historical Perspectives in Psychology","score":0.30790001153945923,"subfield":{"id":"https://openalex.org/subfields/3200","display_name":"General Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12848","display_name":"Psychological Testing and Assessment","score":0.09220000356435776,"subfield":{"id":"https://openalex.org/subfields/3202","display_name":"Applied Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12694","display_name":"Categorization, perception, and language","score":0.05490000173449516,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/stimulus-generalization","display_name":"stimulus generalization","score":0.4410000145435333}],"concepts":[{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5533655285835266}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/00223980.1946.9917292","doi":"https://doi.org/10.1080/00223980.1946.9917292","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00223980.1946.9917292","pdf_url":null,"source":{"id":"https://openalex.org/S49549746","display_name":"The Journal of Psychology","issn_l":"0022-3980","issn":["0022-3980","1940-1019"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","erih-plus","fnege-4","jufo-1","medline","norway-1","poland-40","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Psychology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2012952682","https://openalex.org/W2318553946","https://openalex.org/W2334591607","https://openalex.org/W2728688189","https://openalex.org/W2797170063"],"related_works":["https://openalex.org/W2080314399","https://openalex.org/W2067266760","https://openalex.org/W2316199426","https://openalex.org/W2084723363","https://openalex.org/W2090797105","https://openalex.org/W2320542160","https://openalex.org/W2095223627","https://openalex.org/W4236172330","https://openalex.org/W2320558414","https://openalex.org/W2073851609"],"abstract_inverted_index":{"(1946).":[0],"The":[1,7,12],"P":[2,4],"1":[3],"2/D":[5],"Hypothesis:":[6],"Case":[8],"of":[9,14],"Railway":[10],"Express.":[11],"Journal":[13],"Psychology:":[15],"Vol.":[16],"22,":[17],"No.":[18],"1,":[19],"pp.":[20],"3-8.":[21]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2016-06-24T00:00:00"}