Question

What are the difference scores for the following list of scores for participants observed at two times?

Time 1 Time 2
8 7
8 4
11 8
1 3
8 9

Answer 1

Difference (Time 1 - Time 2)

1

4

3

-2

-1

Explanation:

Difference scores can be described as the difference between two points which obtained by deducting the value of one point from the value of the other point.

The difference scores for list of scores for participants observed at two times for this question can be obtained as the values of score at Time 1 minus the values of scores at Time 2 as follows:

Time 1 Time 2 Difference (Time 1 - Time 2)

8 7 1

8 4 4

11 8 3

1 3 -2

8 9 -1