Calculating the Sign Test

Question 1

When would you use the Sign Test?

Answer 1

• Nominal Data
• Difference
• Related design (matched pairs or repeated measures)

Question 2

How to calculate the Sign Test?

Answer 2

• Subtract condition 2 to condition 1
• Produces a sign of difference (represented by plus or minus)
• The same score should receive 0 and be disregarded and deducted from the total value (N)
• The S value is the total number of the less frequent sign

Question 3

For a Sign Test to be significant the critical value has to be….

Answer 3

Equal or less than the calculated value