近十年NBA总决赛单场及每节得分趋势特性研究

A Study of Scoring Trends and Characteristics at Single Games and Quarters in NBA Finals in the Last 10 Years

NBA篮球比赛每场和每节得分都有不同的趋势和特性,对近十年NBA总决赛进行统计分析,研究发现:1)近十年NBA总决赛单场得分呈现下降趋势,2003年"拐点"现象十分明显。2)胜负双方第一节得分都呈现下降趋势,但获胜方得分下降的趋势更为明显,且二者发展趋势基本趋于一致,得分十分接近。3)第二、三节比赛胜负双方得分呈现截然不同的趋势,胜方得分趋势十分平稳,负方得分呈现明显的急剧下降趋势,并且差距有加大之势。4)第四节为胜负双方得分最高的一节,但同时也是胜方得分下降最明显,负方得分保持最为平稳的一节。5)"联防"等规则的实行是造成得分下降的主要原因。

The scoring trends and characteristics of single games or quarters in NBA games are differert from each other. By analyzing and counting the scoring of NBA finals in the last 10 years, we＇ve found that： 1） the scoring in NBA finals has been going down in the last 10 years and the ＂turning point＂ appeared in 2003 ; 2） the scoring of both winners and losers at the 1st quarter has been going down while that of winners has decreased more, the trends of the beth are almost the same with a slight difference in scoring;3） the scoring of winners and losers at 2nd and 3rd quarters were totally different while winners have had steady scoring but losers have had a sharp downtrend,and the difference between the both has been getting bigger;4） the 4th quarter is one at which beth winners and losers had highest scoring and winners had significant downtrend while losers had stable scoring;5） the decrease of scoring is mostly due to the implementation of the lade of zone defence.