{"id":"https://openalex.org/W2741238775","doi":null,"title":"\"Age\" effects on second language acquisition*","display_name":"\"Age\" effects on second language acquisition*","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2741238775","mag":"2741238775"},"language":"en","primary_location":{"id":"mag:2741238775","doi":null,"is_oa":false,"landing_page_url":"http://jimflege.com/files/Flege_poznan_2010__corrected.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","indexed_in":[],"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/A5110141529","display_name":"James Emil Flege","orcid":"https://orcid.org/0009-0007-1743-6723","observed_orcids":["https://orcid.org/0009-0007-1743-6723"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"James Emil Flege","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5110141529"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":14.0814,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.98421082,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10021","display_name":"EFL/ESL Teaching and Learning","score":0.9297000169754028,"subfield":{"id":"https://openalex.org/subfields/1203","display_name":"Language and Linguistics"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10021","display_name":"EFL/ESL Teaching and Learning","score":0.9297000169754028,"subfield":{"id":"https://openalex.org/subfields/1203","display_name":"Language and Linguistics"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11587","display_name":"Second Language Acquisition and Learning","score":0.04430000111460686,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational 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/T10730","display_name":"Language Development and Disorders","score":0.004999999888241291,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational 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/second-language-acquisition","display_name":"second language acquisition","score":0.8849999904632568},{"id":"https://openalex.org/keywords/age-effects","display_name":"age effects","score":0.8550000190734863},{"id":"https://openalex.org/keywords/critical-period-hypothesis","display_name":"critical period hypothesis","score":0.8180000185966492},{"id":"https://openalex.org/keywords/age-of-onset","display_name":"age of onset","score":0.5979999899864197},{"id":"https://openalex.org/keywords/language-learning","display_name":"language learning","score":0.6010000109672546}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4185537099838257},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.37964698672294617},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.34359806776046753},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.12288159132003784}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2741238775","doi":null,"is_oa":false,"landing_page_url":"http://jimflege.com/files/Flege_poznan_2010__corrected.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4156000018119812,"display_name":"Quality education","id":"https://metadata.un.org/sdg/4"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1049766","https://openalex.org/W94464025","https://openalex.org/W1963849235","https://openalex.org/W1976285019","https://openalex.org/W1977770926","https://openalex.org/W1979898324","https://openalex.org/W2014007333","https://openalex.org/W2022715379","https://openalex.org/W2072168252","https://openalex.org/W2104135795","https://openalex.org/W2115639689","https://openalex.org/W2117099611","https://openalex.org/W2127041292","https://openalex.org/W2132106373","https://openalex.org/W2145120582","https://openalex.org/W2156959968","https://openalex.org/W2160024630","https://openalex.org/W2170173914","https://openalex.org/W2289074721","https://openalex.org/W2336310289","https://openalex.org/W2594777397"],"related_works":["https://openalex.org/W561089208","https://openalex.org/W2484152492","https://openalex.org/W2752081988","https://openalex.org/W72556381","https://openalex.org/W2612766101","https://openalex.org/W2460196929","https://openalex.org/W2337275945","https://openalex.org/W2790609741","https://openalex.org/W2963595254","https://openalex.org/W2809734797"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2017-08-08T00:00:00"}