1. Develop three comparative (paired comparison, rank order and constant sum scales to measure attitude towards five popular brands of soft drink (e.g. Coca Cola, Pepsi, Fanta, 7 Up and Red Bull). Administer each scale to five students. No student should be administered more than one scale. Note the time it takes each student to respond. Which scale was the easiest to administer? Which scale took the shortest time?
2. Design Likert scales to measure the usefulness of the Grad website. Visit the site at https://www.gerad.ir/ and rate it on the scales that you have developed. After your site visit, were there any aspects of usefulness that you had not considered in devising your scales, what were they and why were they not apparent before you made your site visit?
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