Sign Test Flashcards
1
Q
When will a sign test be used?
A
To test the data from experiments with a repeated measures design to check results aren’t due to chance.
2
Q
What is step 1?
A
Subtract participant value from experimental column. If value is negative number put - . If value is positive put a + . If value is equal put a 0 .
3
Q
What is step 2?
A
Calculate S which is the number of times the less frequent sign occurs
4
Q
What is step 3?
A
Count total number of + and - , which gives us N
5
Q
What is step 4?
A
Decide if hypothesis is one/two tailed (direction/non-directional)
6
Q
What is step 5?
A
Use critical values table - use N column (total number of + and -‘s)
7
Q
What must S be to be significant?
A
Equal to or less than the critical value (least occurring sign of +/-/0)
