国内特快专递邮件在交寄时也可以附回执。(1分)
参考答案:错
—I didn't know which T-shirt was ____, so I took them both.
—Yes, it's really difficult to choose. [ ]
A. better
B. well
C. best
D. good
以两个等值但题目不同的测验来测量同一群体,求其两者得分的相关性,被称为( )。
A.内部一致性信度
B.重测信度
C.复本信度
D.评分者信度