Classical Test Theory (CTT) has many defects,namely the estimations of its parameters depend on the subjects,the estimation of ability level depends on the items,and it offers only average precision of estimation.是什么意思_Classical Test Theory (CTT) has many defects,namely the estimations of its parameters depend on the subjects,the estimation of ability level depends on the items,and it offers only average precision of estimation.在线翻译_英语_读音_用法_例句