Choosing a Test

• When do you use Spearman's Test (r)

  When there is a correlation and the data is ordinal
• When do you use Pearson's test (r)

  when there is a correlation and the data is interval
• When do you use the Chi-squared test (x2)

  When there is a difference between data, an independent group design was used and the data is nominal
• When do you use the Mann-Whitney test (U)

  When there is a difference between data, an independent group design was used and the data is ordinal
• when do you use the unrelated test (t)

  When there is a difference between data, an independent group design was used and the data is interval
• When do you use the Sign test (S)

  When there is a difference between data, a repeated measures or matched pairs design was used, and the data is nominal
• When do you use the Wilcoxon test (T)

  When there is a difference between data, a repeated measures or matched pairs design was used, and the data is ordinal
• When do you use the Related test (t)

  When there is a difference between data, a repeated measures or matched pairs design was used, and the data is interval