statistical testing : the sign test

Question 1

what do we need in order to use a sign test

Answer 1

1. test of difference
2. repeated measures design
3. nominal data

Question 2

what is the accepted level of probability

Answer 2

0.05
5%

Question 3

how to find your critical value

Answer 3

1. significance level
2. number of participants in the investigation (N value)
3. whether the hypothesis is directional or non directional