{"id":"https://openalex.org/W2289551944","doi":null,"title":"The efficiency of action of young soccer players in competitive games and small-sided games","display_name":"The efficiency of action of young soccer players in competitive games and small-sided games","publication_year":2015,"publication_date":"2015-12-22","ids":{"openalex":"https://openalex.org/W2289551944","mag":"2289551944"},"language":"en","primary_location":{"id":"mag:2289551944","doi":null,"is_oa":false,"landing_page_url":"http://files.4medicine.pl/download.php?cfs_id=1404","pdf_url":null,"source":{"id":"https://openalex.org/S4306502830","display_name":"Archives of Budo Science of Martial Arts and Extreme Sports","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Archives of Budo Science of Martial Arts and Extreme Sports","raw_type":null},"volume":null,"type":"article","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/A5085253425","display_name":"Andrzej Szwarc","orcid":"https://orcid.org/0000-0003-1959-3902","observed_orcids":["https://orcid.org/0000-0003-1959-3902","https://orcid.org/0000-0003-4809-1178"]},"institutions":[{"id":"https://openalex.org/I4210137546","display_name":"Gdansk University of Physical Education and Sport","ror":"https://ror.org/03rq9c547","country_code":"PL","type":"education","lineage":["https://openalex.org/I4210137546"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Andrzej Szwarc","raw_affiliation_strings":["Gda\u0144sk University of Physical Education and Sport"],"raw_orcid":"https://orcid.org/0000-0003-1959-3902","affiliations":[{"raw_affiliation_string":"Gda\u0144sk University of Physical Education and Sport","institution_ids":["https://openalex.org/I4210137546"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054658721","display_name":"Patrycja Lipi\u0144ska","orcid":"https://orcid.org/0000-0002-8752-2623","observed_orcids":["https://orcid.org/0000-0002-8752-2623"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Patrycja Lipi\u0144ska","raw_affiliation_strings":["Sport Institute"],"raw_orcid":"https://orcid.org/0000-0002-8752-2623","affiliations":[{"raw_affiliation_string":"Sport Institute","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082020898","display_name":"Micha\u0142 Chamera","orcid":"https://orcid.org/0000-0002-7707-269X","observed_orcids":["https://orcid.org/0000-0002-7707-269X"]},"institutions":[{"id":"https://openalex.org/I4210137546","display_name":"Gdansk University of Physical Education and Sport","ror":"https://ror.org/03rq9c547","country_code":"PL","type":"education","lineage":["https://openalex.org/I4210137546"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Micha\u0142 Chamera","raw_affiliation_strings":["Gda\u0144sk University of Physical Education and Sport"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gda\u0144sk University of Physical Education and Sport","institution_ids":["https://openalex.org/I4210137546"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"11","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.9833999872207642,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.9833999872207642,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10813","display_name":"Sport Psychology and Performance","score":0.014600000344216824,"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/T13189","display_name":"Physical Education and Training Studies","score":0.0008999999845400453,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/youth-football-players","display_name":"youth football players","score":0.800000011920929},{"id":"https://openalex.org/keywords/small-sided-games","display_name":"small-sided games","score":0.972000002861023},{"id":"https://openalex.org/keywords/action-efficiency","display_name":"action efficiency","score":0.800000011920929},{"id":"https://openalex.org/keywords/expert-opinion","display_name":"expert opinion","score":0.39899998903274536},{"id":"https://openalex.org/keywords/test-retest-reliability","display_name":"test-retest reliability","score":0.8209999799728394},{"id":"https://openalex.org/keywords/skill-development","display_name":"skill development","score":0.4309999942779541},{"id":"https://openalex.org/keywords/elite-youth-football","display_name":"elite youth football","score":0.531000018119812}],"concepts":[{"id":"https://openalex.org/C104709138","wikidata":"https://www.wikidata.org/wiki/Q1671540","display_name":"Intraclass correlation","level":3,"score":0.6552548408508301},{"id":"https://openalex.org/C2778444522","wikidata":"https://www.wikidata.org/wiki/Q1081491","display_name":"Football","level":2,"score":0.5592113137245178},{"id":"https://openalex.org/C3017797855","wikidata":"https://www.wikidata.org/wiki/Q937857","display_name":"Football players","level":3,"score":0.539545476436615},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.4908054769039154},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.4706551134586334},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.43503642082214355},{"id":"https://openalex.org/C100521375","wikidata":"https://www.wikidata.org/wiki/Q2015382","display_name":"Competence (human resources)","level":2,"score":0.4334764778614044},{"id":"https://openalex.org/C2775987171","wikidata":"https://www.wikidata.org/wiki/Q192797","display_name":"Elite","level":3,"score":0.4134269654750824},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.360433429479599},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2048110067844391},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.1873304843902588},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.07022601366043091},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C171606756","wikidata":"https://www.wikidata.org/wiki/Q506132","display_name":"Psychometrics","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2289551944","doi":null,"is_oa":false,"landing_page_url":"http://files.4medicine.pl/download.php?cfs_id=1404","pdf_url":null,"source":{"id":"https://openalex.org/S4306502830","display_name":"Archives of Budo Science of Martial Arts and Extreme Sports","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Archives of Budo Science of Martial Arts and Extreme Sports","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.46810001134872437,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W105267720","https://openalex.org/W131123939","https://openalex.org/W824788801","https://openalex.org/W1520290559","https://openalex.org/W1530950166","https://openalex.org/W1605807015","https://openalex.org/W1974056613","https://openalex.org/W1975740863","https://openalex.org/W1980430577","https://openalex.org/W1980721081","https://openalex.org/W2011037375","https://openalex.org/W2021987010","https://openalex.org/W2023202493","https://openalex.org/W2041660097","https://openalex.org/W2050148757","https://openalex.org/W2056642808","https://openalex.org/W2059710230","https://openalex.org/W2067724039","https://openalex.org/W2091225187","https://openalex.org/W2096632664","https://openalex.org/W2100786881","https://openalex.org/W2119775313","https://openalex.org/W2124379907","https://openalex.org/W2134729963","https://openalex.org/W2141403362","https://openalex.org/W2141762987","https://openalex.org/W2159965429","https://openalex.org/W2164777277","https://openalex.org/W2182487663","https://openalex.org/W2622744200","https://openalex.org/W2702144513","https://openalex.org/W2894382425"],"related_works":["https://openalex.org/W2773969169","https://openalex.org/W3135379537","https://openalex.org/W1990856473","https://openalex.org/W7160496971","https://openalex.org/W2944062912","https://openalex.org/W4306402808","https://openalex.org/W2296410119","https://openalex.org/W3155003332","https://openalex.org/W3030425404","https://openalex.org/W2587128896"],"abstract_inverted_index":{"Background":[0],"&":[1,51],"Study":[2],"Aim:":[3],"The":[4,26,85,119,140,162,195],"extremes":[5],"of":[6,20,28,36,63,87,96,130,175,188,197,226,236],"professional":[7],"soccer":[8,58],"prejudge":[9],"two":[10],"factors":[11],"(criteria):":[12],"coordination":[13],"difficulty;":[14],"body":[15],"burden":[16],"effort":[17],"dur":[18],"ing":[19],"match":[21],"(90":[22],"minutes":[23],"and":[24,46,74,102,105,121,127,168,184,209,234,241,250],"more).":[25],"aim":[27],"this":[29],"study":[30,163],"is":[31],"correlation":[32,171],"between":[33,172],"the":[34,60,64,75,107,111,125,131,146,173,185,192,223],"efficiency":[35,86,174,249],"actions":[37,240],"14-16":[38],"years":[39],"old":[40],"football":[41,228,253],"players":[42,59,180],"during":[43,47],"small-sided":[44,90,182,200],"games":[45,91,104,183,201],"competitive":[48,108,193],"games.":[49],"Material":[50],"Methods:":[52],"Among":[53],"16":[54],"young":[55,179,227,252],"male":[56],"elite":[57],"mean":[61],"age":[62],"first":[65,126],"group":[66,77],"(C":[67,78],"1":[68],")":[69,80],"was":[70,81,92,133,215],"14.2":[71],"\u00b10.5":[72],"years,":[73],"second":[76],"2":[79],"16.1":[82],"\u00b10.6":[83],"years.":[84],"action":[88,176],"in":[89,106,150,181,191,238,242],"assessed":[93,134],"by":[94,178],"means":[95],"a":[97,166,219],"test":[98],"method":[99,113,214],"involving":[100],"\u201c1-on-1\u201d":[101],"\u201c2-on-2\u201d":[103],"game":[109],"with":[110],"SGPAI":[112],"(Soccer":[114],"Game":[115],"Performance":[116],"Assessment":[117],"Instrument).":[118],"inter-":[120],"intra-observer":[122],"agreement":[123],"for":[124,145,199,202,222],"third":[128],"stages":[129],"research":[132],"using":[135],"Intraclass":[136],"Correlations":[137],"Coefficients":[138],"(ICC).":[139],"95%":[141],"confidence":[142],"intervals":[143],"(CI)":[144],"ICC":[147,196],"were":[148],"calculated":[149],"each":[151],"case.":[152],"Test-retest":[153],"reliability":[154],"values":[155],"above":[156],"0.8":[157],"indicated":[158],"good":[159],"reliability.":[160],"Results:":[161],"has":[164],"proved":[165],"significant":[167],"strong":[169],"positive":[170],"achieved":[177],"expert":[186],"assessment":[187],"their":[189],"competence":[190],"game.":[194],"test-retest":[198],"both":[203],"groups":[204],"were,":[205],"respectively:":[206],"0.89,":[207],"0.87":[208],"0.92,":[210],"0.90":[211],"Conclusions:":[212],"Proposed":[213],"proven":[216],"to":[217,246],"be":[218],"reliable":[220],"tool":[221],"comprehensive":[224],"evaluation":[225],"players\u2019":[229,254],"effi":[230],"ciency.":[231],"Early":[232],"identification":[233],"shaping":[235],"skills":[237],"individual":[239],"cooperation":[243],"are":[244],"essential":[245],"achieving":[247],"high":[248],"develop":[251],"talents.":[255]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2016-06-24T00:00:00"}