Tests for Ordinal Data

Question 1

The _______________________ is appropriate when a study includes two independent groups and data on the DV are reported in terms of ranks.

• Use:
  
  • One IV: two independent groups
  • One DV: rank-ordered data
• Statistic: U

Answer 1

Mann-Whitney U Test.

Question 2

The _____________________________ Test is used when a study includes two correlated (matched) groups and the different scores on the DV for pairs of subjects are converted to ranks.

• Use:
  
  • One IV: Two correlated groups
  • One DV: Rank ordered data
• Statistic: T

Answer 2

Wilcoxon Matched-Pairs Signed Ranks Test.

Question 3

The __________________ can be used when a study includes two or more independent groups and the data to be analyzed are ranks.

• Use:
  
  • One IV: 2+ independent groups
  • One DV: Rank-ordered data
• Statistic: H

Answer 3

Kruskal-Wallis Test.

Question 4

The Mann-Whitney is the non-parametric alternative to the _____________________.

Answer 4

T-test for Independent Samples.

Question 5

The Wilcoxon is the nonparametric alternative to the ________________________________.

Answer 5

T-test for Correlated Samples.

Question 6

The Kruskal-Wallis is the nonparametric alternative to the ______________________.

Answer 6

One-way ANOVA.