Data were analyzed by rank sum test and Spearman correlation test.

资料采用秩和检验和等级相关分析的统计学处理方法。

The analysis of spearman rank correlation showed that there were correlations among risk behaviors.

等级相关分析表明：多种不良行为之间存在相关关系。

Method of comprehensive evaluation, spearman rank relational coefficient and cluster analysis were employed.

研究方法综合评价法，秩相关系数法，聚类分析法。

About bookmark difficulty locations, the relationship between and within IRT models and RP values were compared by Spearman coefficient.

在 书签难度位置排序方面， 本研究以实徵与模拟资料， 以斯皮尔曼相关系數进行相（不） 同 IRT 模式， 不（相） 同 RP 值之间的比较；

Incidence degree analysis and application are presented in this article, and, it is also contracted with Pearson and Spearman correlation.

本文介绍了关联度分析及其应用，并将该方法与相关分析进行了比较。