英语 - 2026 进行中

科目: 英语
级别: XII (I级最简单，XII级最难)
类别: 教师
试题语言: English
题数: 15
问题示例: In language assessment, what does differential item functioning (DIF) indicate? An item functions differently for examinees from different groups who have the same underlying ability level, An entire test produces different mean scores for two demographic groups, A test contains too few items to estimate an examinee’s ability reliably, An item has a statistically significant correlation with total test scores