inferential tests

Question 1

when do you use a binomial sign test?

Answer 1

when there is a difference between the data collected in two conditions, repeated measures design with nominal level data

Question 2

sign test method?

Answer 2

1. calculate the difference between the two conditions (a-b)
   a+ for positive differences
   a- for negative differences
   leave any 0 differences between conditions black and removed from total participants (N)
2. add up the number of +signs and -signs
   whichever group (+ or -) is smaller, is S

Question 3

in a sign test, the observed value of S must be _________ or ________ than the critical value to be significant

Answer 3

equal to or less than