A new product tester (working for ‘Fizzy Sugary Delight’) wanted to test and compare the consumer rating of two new fizzy drinks; his own company’s drink and a rival’s drink. He randomly selected 12 participants and then randomly divided this group into three subgroups: a ‘Placebo’ group who drank fizzy sugary water; a ‘new Improved Formula’ group who drank the new Fizzy Sugary Delight drink; and a ‘Rival fizz’ group who drank the new fizzy drink belonging to a rival company. Each group consumed one glass each of their designated drink and then rated its taste.
What sort of research design is this?
A. Independent factorial design.
B. Repeated-measures factorial design.
C. ANOVA.
D. Multiple linear regression.
Answer: A
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