The Sign Test

Question 1

What are the 2 kinds of statistics

Answer 1

• descriptive statistics
• inferential statistics

Question 2

What are descriptive statistics

Answer 2

• measures of central tendency & dispersion etc
  Stuff presented in a graph

Question 3

What are inferential statistics

Answer 3

To do with significance
Statistical tests

Question 4

Conditions to use the sign test

Answer 4

-> looking for a difference (not association or correlation e.g. happiness b4 or after a holiday)
-> using a repeated measures design (same group of participants before and after)
-> nominal data (sorted in categories e.g. male/female)

Question 5

For the sign test, results are significant if the calculated value is […] than the critical value in the table

Answer 5

Less than or equal to

Question 6

What is the N value

Answer 6

Total amount of how many pluses and minuses there are

Question 7

What’s the calculated (S) value

Answer 7

The total of the less frequent sign (plus or minus, whichever there’s less of)
E.g. if it’s -+-+-+-
S = 3 as there’s 3 pluses & 5 minuses