答案:B
It is________to have such hot weather in July. [ ]
A. kind
B. false
C. casual
D. typical
以下可能导致偏倚的因素,哪项属于测量对象因素()
A.霍桑效应
B.暗示效应
C.评定错误
D.干预组和对照组选择不均衡
E.测量者成熟性