The sign test and chi-squared

• Sign test


  1. Data is converted to signs + or -

  2. Any participant whose scores stayed the same are ignored

  3. Summary of the results: Count up the +, Count up the -, Count up the same

  4. The less frequently occurring sign is the calculated value

  5. Create a contingency table

  6. Calculate degrees of freedom: df= (columns -1) x (rows – 1)