CAJ | 학술논문

以参加1997-2011年世界杯U17男子足球比赛的2 982名运动员的出生月为研究对象。调查显示：在过去8届世界杯的比赛中存在较强的相对年龄效应,即参赛队伍倾向于选择出生较早的球员;除非洲地区存在相反的相对年龄效应外,这一结论适用于所有国际足联指定的参赛地区和参赛取得不同名次的球队。在解释相对年龄效应产生的原因时,身体成熟程度（如身高指标）起一定的作用,它导致晚熟、相对年龄较小的球员落选。
이삼가1997-2011년세계배U17남자족구비새적2 982명운동원적출생월위연구대상。조사현시：재과거8계세계배적비새중존재교강적상대년령효응,즉삼새대오경향우선택출생교조적구원;제비주지구존재상반적상대년령효응외,저일결론괄용우소유국제족련지정적삼새지구화삼새취득불동명차적구대。재해석상대년령효응산생적원인시,신체성숙정도（여신고지표）기일정적작용,타도치만숙、상대년령교소적구원락선。
This paper is to study the birth date of 2 982 athletes who participated World Cup U17 Men＇s soccer match from 1997-2011.The results showed that there is a strong relative age effect in the past eight World Cup competitions.There was a clear bias to select born as early as the players in the competition teams.Except the African region a flip of the relative age effect,this conclusion applies to all FIFA designated entry areas and entry to obtain a different ranking of the team.The degree of maturity of the body in the interpretation of the causes of the relative age effect（such as height indicators） plays a role,which led to late-maturing relatively younger players dropout.