Refer to Scenario 12

Multiple Choice

Refer to Scenario 12.1. Which of the following is NOT a potential source of difference between these scores?

A) True differences with regard to the feeling of warmth created by the ad.
B) Perry had a rotten day at work, while Joe had a good day.
C) The sampling of items chosen to measure warmth could have contributed to the difference in scores.
D) Perry and Joe interpreted one of the questions differently.
E) All of the above are potential sources of differences between the scores.