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GATE 2024 XH5 (Psychology) – Question 49

Research Methods and Statistics · Statistics in Psychology: Central tendency and dispersion, normal probability curve, parametric and non-parametric tests, effect size and power analysis · 2 marks · Multiple select

Which of the following is/are distribution free test(s)?

  1. Pearson correlation
  2. Spearman’s rho
  3. Kruskal-Wallis H test
  4. Analysis of variance

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Show answer and explanation

Correct answer: (B) Spearman’s rho; (C) Kruskal-Wallis H test

Explanation

Spearman's rho and the Kruskal-Wallis H test are non-parametric, distribution-free tests. The Pearson correlation and ANOVA assume normality.