{"id":"https://openalex.org/W2604457328","doi":null,"title":"A Conceptual Review of Age Effect on L2 Acquisition","display_name":"A Conceptual Review of Age Effect on L2 Acquisition","publication_year":2017,"publication_date":"2017-01-01","ids":{"openalex":"https://openalex.org/W2604457328","mag":"2604457328"},"language":"en","primary_location":{"id":"mag:2604457328","doi":null,"is_oa":false,"landing_page_url":"http://files.eric.ed.gov/fulltext/EJ1139050.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of Education and Practice","raw_type":null},"volume":null,"type":"review","is_traditional":true,"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/A5082118324","display_name":"Yuan Sang","orcid":"https://orcid.org/0000-0003-2889-1223","observed_orcids":["https://orcid.org/0000-0003-2889-1223"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Yuan Sang","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-2889-1223","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5082118324"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.7175,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.91419142,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"8","issue":"9","first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10021","display_name":"EFL/ESL Teaching and Learning","score":0.9839000105857849,"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":0.9839000105857849,"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":0.009100000374019146,"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":0.0010999999940395355,"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/age-effects","display_name":"age effects","score":0.8579999804496765},{"id":"https://openalex.org/keywords/second-language-acquisition","display_name":"second language acquisition","score":0.9869999885559082},{"id":"https://openalex.org/keywords/critical-period-hypothesis","display_name":"critical period hypothesis","score":0.9459999799728394},{"id":"https://openalex.org/keywords/age-of-onset","display_name":"age of onset","score":0.6539999842643738},{"id":"https://openalex.org/keywords/ultimate-attainment","display_name":"ultimate attainment","score":0.7490000128746033},{"id":"https://openalex.org/keywords/acquisition-rate","display_name":"acquisition rate","score":0.6290000081062317}],"concepts":[{"id":"https://openalex.org/C170350167","wikidata":"https://www.wikidata.org/wiki/Q1455178","display_name":"Second-language acquisition","level":2,"score":0.738018274307251},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.6991950273513794},{"id":"https://openalex.org/C74672266","wikidata":"https://www.wikidata.org/wiki/Q815859","display_name":"Language acquisition","level":2,"score":0.6283029317855835},{"id":"https://openalex.org/C2776035688","wikidata":"https://www.wikidata.org/wiki/Q1606558","display_name":"Affect (linguistics)","level":2,"score":0.5040832757949829},{"id":"https://openalex.org/C2777220311","wikidata":"https://www.wikidata.org/wiki/Q6423340","display_name":"Knowledge acquisition","level":2,"score":0.4224132001399994},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4185093641281128},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.3884376883506775},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.34102290868759155},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.32228514552116394},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.23330458998680115},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.08876264095306396},{"id":"https://openalex.org/C56739046","wikidata":"https://www.wikidata.org/wiki/Q192060","display_name":"Knowledge management","level":1,"score":0.07360890507698059},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C46312422","wikidata":"https://www.wikidata.org/wiki/Q11024","display_name":"Communication","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2604457328","doi":null,"is_oa":false,"landing_page_url":"http://files.eric.ed.gov/fulltext/EJ1139050.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of Education and Practice","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.6164000034332275,"display_name":"Quality education"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1049766","https://openalex.org/W1491767415","https://openalex.org/W1580396946","https://openalex.org/W1963754159","https://openalex.org/W2010925473","https://openalex.org/W2022679976","https://openalex.org/W2055870134","https://openalex.org/W2115639689","https://openalex.org/W2149023310","https://openalex.org/W2166754847","https://openalex.org/W2169521625","https://openalex.org/W2326049685","https://openalex.org/W2331891303","https://openalex.org/W2801458874"],"related_works":["https://openalex.org/W4210340711","https://openalex.org/W2133766398","https://openalex.org/W4406330277","https://openalex.org/W2138074503","https://openalex.org/W3030330274","https://openalex.org/W2335721662","https://openalex.org/W7222964804","https://openalex.org/W4386857825","https://openalex.org/W4319601586","https://openalex.org/W2995625061"],"abstract_inverted_index":{"The":[0,100],"importance":[1],"of":[2,18,28,36,91],"age":[3,29,81],"effect":[4,82],"on":[5,83],"an":[6],"additional":[7,110],"language":[8,123],"(L2)":[9],"acquisition":[10],"has":[11],"long":[12],"been":[13],"recognized":[14],"in":[15,69],"the":[16,26,31,66,70,74,80,92],"field":[17],"L2":[19,37,61,84,98,125],"education.":[20,99],"Research":[21],"was":[22],"conducted":[23],"to":[24,30,108,112],"reveal":[25],"influence":[27],"rate":[32],"and":[33,39,48,72,77],"ultimate":[34],"attainment":[35],"teaching":[38],"learning,":[40],"yet":[41],"controversial":[42],"results":[43],"were":[44],"discovered.":[45],"Consequently,":[46],"stereotypes":[47],"misunderstanding":[49],"exist":[50],"among":[51],"educators,":[52],"practitioners,":[53],"parents":[54],"and/or":[55],"guardians,":[56],"which":[57],"may":[58],"affect":[59],"students\u2019":[60],"learning.":[62],"This":[63],"article":[64],"reviewed":[65],"significant":[67],"studies":[68],"past":[71],"discussed":[73],"current":[75],"agreements":[76],"debates":[78],"around":[79],"acquisition.":[85],"It":[86],"provides":[87],"a":[88],"comprehensive":[89],"overview":[90],"topic":[93],"that":[94,103],"is":[95],"beneficial":[96],"for":[97],"author":[101],"proposed":[102],"more":[104],"contributions":[105],"are":[106],"needed":[107],"provide":[109],"evidence":[111],"explore":[113],"this":[114],"issue.":[115],"Keywords:":[119],"age,":[121],"second":[122],"acquisition,":[124,126],"Critical":[127],"Period":[128],"Hypothesis":[129]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2017-04-14T00:00:00"}
