Because the variables in Bart’s model were measured with multi-item scales, the consistency of the participants’ answers to the scale items has to be tested for each measure. Bart has decided to use Cronbach’s alpha to test the inter-item consistency of his measures. However, before submitting the data for reliability tests Bart has to reverse the scores of some of the items in his questionnaire. a. What is reverse scoring and why is it necessary? b. Which of the items in the questionnaire have to be reverse-scored?
