Introduction to Statistical Testing

Question 1

When should we use the Sign Test?

Answer 1

When we have:
Nominal level of data(in categories)
A Repeated Measures Design
Testing difference

Question 2

How do we calculate the sign test?

Answer 2

Requires two separate samples in a table so they can be matched
Then the bigger results are subtracted by the smaller ones
this is followed by a plus or minus sign depending on the sum of the results provided