영어 - 2026 진행 중

과목: 영어
수준: XII
분류: 교사
시험 문제: 영어
문제 예시: 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