采用双因素方差分析设计,探讨教师的教学方法(3个水平)和学生的学习动机(高与低)对学生学业成绩的影响,抽取240名被试随机分配到各个实验组,各组人数相同。收集数据后,进行方差分析,得到的方差分析表如题21表所示,请将表中空缺的数据补充完整。
With an appropriate conjunctive:
The relations between the two countries are improving: a trade agreement has been signed ____ a culture exchange arranged.