Intellectual Olympiad in Psychology - 2026 ongoing

Subject: Psychology
Level: X
Category: student
Quiz questions: in English
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