Lesson 1.3.7

1.3.7 Non-parametric tests: Mann-Whitney U, Wilcoxon, Chi-square, Binomial sign, Spearman's Rho Quiz: OCR Psychology, Unit 1

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

In partnership with Revision Ninja

Lesson 1.3.7, Non-parametric tests: Mann-Whitney U, Wilcoxon, Chi-square, Binomial sign, Spearman's Rho: 20 multiple choice questions for the OCR Psychology (H567), Unit 1: Research methods (Component 01), written with Revision Ninja.

Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.

Host this setFree Play

The 20 questions

  1. What minimum level of data is needed to perform a Spearman's Rho test?

    • Interval
    • Nominal
    • Ordinal
    • Ratio

  2. Which experimental design is required when using the Mann-Whitney U test?

    • Repeated measures
    • Single participant
    • Independent measures
    • Matched pairs

  3. What type of relationship or effect does a Spearman's Rho test assess?

    • Causation
    • Difference
    • Correlation
    • Interaction

  4. Which experimental design is appropriate for a Wilcoxon Signed Ranks test?

    • Observational design
    • Repeated measures
    • Unrelated design
    • Independent measures

  5. Which level of data is required to conduct a Binomial Sign test?

    • Ordinal
    • Nominal
    • Interval
    • Ratio

  6. For a Chi-square test, when is the calculated value considered statistically significant?

    • Always equal
    • Equal or greater
    • Strictly less
    • Equal or less

  7. Which general rule applies to tests with the letter 'R' in their name?

    • Calculated >= critical
    • Calculated = 0
    • Calculated <= critical
    • Critical <= 0.05

  8. A researcher tests if gender affects subject choice using categorical counts. Which test is used?

    • Mann-Whitney U
    • Wilcoxon
    • Spearman's Rho
    • Chi-square

  9. In a Sign test, ten participants improved, four worsened, and one stayed the same. What is N?

    • 14
    • 15
    • 4
    • 10

  10. In a Sign test, eight participants showed positive differences and three showed negative. What is S?

    • 11
    • 5
    • 8
    • 3

  11. A psychologist compares participants' ranked stress scores with their ranked sleep duration. Which test applies?

    • Wilcoxon
    • Spearman's Rho
    • Chi-square
    • Mann-Whitney U

  12. A researcher compares ranked anxiety scores between two separate groups of participants. Which test applies?

    • Chi-square
    • Mann-Whitney U
    • Wilcoxon
    • Sign test

  13. Memory performance ranked scores are measured in participants before and after coffee consumption. Which test applies?

    • Mann-Whitney U
    • Chi-square
    • Spearman's Rho
    • Wilcoxon

  14. A researcher records test performance as first, second, and third place. What level of data is this?

    • Nominal
    • Ratio
    • Interval
    • Ordinal

  15. A participant scored 12 before training and 18 after training. What is the sign of change?

    • Equal
    • Negative
    • Positive
    • Zero

  16. How are degrees of freedom calculated for a Chi-square test contingency table?

    • N - 2
    • r + c - 2
    • N - 1
    • (r-1)(c-1)

  17. For a Wilcoxon test, when is the calculated value T considered statistically significant?

    • Equal or greater
    • Always positive
    • Strictly greater
    • Equal or less

  18. Why would a researcher choose a non-parametric test over a parametric alternative?

    • Interval data used
    • Data are skewed
    • Data are normal
    • Homogeneity of variance

  19. Why is the Binomial Sign test used instead of Wilcoxon for repeated measures difference data?

    • Data are nominal
    • Data are normal
    • Data are interval
    • Sample is large

  20. What level of data is required to perform a Chi-square test of independence?

    • Interval
    • Nominal
    • Ordinal
    • Ratio

All OCR Psychology quizzes