Intellectual Olympiad in English - 2026 ongoing

1000 ₸
Subject: English
Level: XII
Category: educator
Quiz questions: in English
Example question: 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