{"id":"https://openalex.org/W2282425696","doi":null,"title":"Core beliefs as predictors of mental toughness amongst competitive adolescent tennis players","display_name":"Core beliefs as predictors of mental toughness amongst competitive adolescent tennis players","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2282425696","mag":"2282425696"},"language":"en","primary_location":{"id":"mag:2282425696","doi":null,"is_oa":false,"landing_page_url":"http://scholar.ufs.ac.za/xmlui/handle/11660/1318","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":"dissertation","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/A5049974501","display_name":"Hanli Du Toit","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Hanli Du Toit","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5049974501"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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/T10813","display_name":"Sport Psychology and Performance","score":0.9970999956130981,"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"}},"topics":[{"id":"https://openalex.org/T10813","display_name":"Sport Psychology and Performance","score":0.9970999956130981,"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/T11400","display_name":"Motivation and Self-Concept in Sports","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social 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/T13272","display_name":"Psychological Treatments and Assessments","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical 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/core-beliefs","display_name":"core beliefs","score":0.9909999966621399},{"id":"https://openalex.org/keywords/mental-toughness","display_name":"mental toughness","score":0.9990000128746033},{"id":"https://openalex.org/keywords/youth-athletes","display_name":"youth athletes","score":0.6759999990463257},{"id":"https://openalex.org/keywords/tennis","display_name":"tennis","score":0.7049999833106995},{"id":"https://openalex.org/keywords/competitive-sports","display_name":"competitive sports","score":0.7059999704360962},{"id":"https://openalex.org/keywords/sports-psychology","display_name":"sport psychology","score":0.6399999856948853}],"concepts":[{"id":"https://openalex.org/C2777457970","wikidata":"https://www.wikidata.org/wiki/Q6817499","display_name":"Mental toughness","level":3,"score":0.9611319303512573},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.672556459903717},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5318270325660706},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.3440488576889038},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.19473335146903992},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.19454661011695862},{"id":"https://openalex.org/C2781054738","wikidata":"https://www.wikidata.org/wiki/Q4813730","display_name":"Athletes","level":2,"score":0.14642387628555298},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.1361006200313568},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.11044275760650635}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2282425696","doi":null,"is_oa":false,"landing_page_url":"http://scholar.ufs.ac.za/xmlui/handle/11660/1318","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":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.428600013256073}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":74,"referenced_works":["https://openalex.org/W171310936","https://openalex.org/W639098526","https://openalex.org/W894435072","https://openalex.org/W990101197","https://openalex.org/W1501605968","https://openalex.org/W1532394360","https://openalex.org/W1546555465","https://openalex.org/W1555743434","https://openalex.org/W1562811233","https://openalex.org/W1598843624","https://openalex.org/W1602940084","https://openalex.org/W1795747601","https://openalex.org/W1804494138","https://openalex.org/W1871086166","https://openalex.org/W1886089958","https://openalex.org/W1963648547","https://openalex.org/W1969893742","https://openalex.org/W1970285224","https://openalex.org/W1971996925","https://openalex.org/W1974724248","https://openalex.org/W1980449206","https://openalex.org/W1986471938","https://openalex.org/W1987694127","https://openalex.org/W1987918708","https://openalex.org/W1992906526","https://openalex.org/W1996898118","https://openalex.org/W1997373060","https://openalex.org/W2006603741","https://openalex.org/W2007739820","https://openalex.org/W2010522215","https://openalex.org/W2014310605","https://openalex.org/W2017974237","https://openalex.org/W2022319569","https://openalex.org/W2024537413","https://openalex.org/W2032400478","https://openalex.org/W2037557484","https://openalex.org/W2046205847","https://openalex.org/W2053857656","https://openalex.org/W2061086853","https://openalex.org/W2061706186","https://openalex.org/W2074359777","https://openalex.org/W2076608328","https://openalex.org/W2080583690","https://openalex.org/W2080998635","https://openalex.org/W2082923808","https://openalex.org/W2089277529","https://openalex.org/W2090904828","https://openalex.org/W2090962715","https://openalex.org/W2099972744","https://openalex.org/W2105274744","https://openalex.org/W2107345568","https://openalex.org/W2107822227","https://openalex.org/W2114289920","https://openalex.org/W2122592556","https://openalex.org/W2125070628","https://openalex.org/W2131055275","https://openalex.org/W2136202235","https://openalex.org/W2137234361","https://openalex.org/W2143835493","https://openalex.org/W2148523090","https://openalex.org/W2148724526","https://openalex.org/W2155700971","https://openalex.org/W2157575844","https://openalex.org/W2160062317","https://openalex.org/W2161236573","https://openalex.org/W2168612650","https://openalex.org/W2169781683","https://openalex.org/W2411018332","https://openalex.org/W2442437423","https://openalex.org/W2462016354","https://openalex.org/W2495710905","https://openalex.org/W2496071744","https://openalex.org/W2497587677","https://openalex.org/W4237071021"],"related_works":["https://openalex.org/W2057131476","https://openalex.org/W4417461624","https://openalex.org/W3022663262","https://openalex.org/W3001994225","https://openalex.org/W24029034","https://openalex.org/W7002025775","https://openalex.org/W2583775932","https://openalex.org/W37845374","https://openalex.org/W2400432417","https://openalex.org/W3145489882"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}