Intellectual Olympiad in Psychology - 2026 ongoing
1000 ₸
Subject: Psychology Level: X (I is easiest, XII is hardest)
Category: student
Question language: English
Questions: 15
Example question: A researcher compares the average stress scores of three independent groups after different interventions, but the scores violate the assumption of normality. Which nonparametric test is most appropriate? Wilcoxon signed-rank test, Kruskal–Wallis test, McNemar’s test, Pearson’s correlation