A sports researcher wanted to test and compare the impact of three different energy drinks as a means to examine to what extent energy drinks consumed during a workout increases workout rates. He randomly selected 36 gym goers and then randomly divided this group into three subgroups: a ‘Placebo’ group who drank water; a ‘Caffeine’ group who took a caffeine-rich energy drink; and a ‘Sugar’ group who took a sugar-rich energy drink. The study involved the groups drinking their energy drink prior to a thirty-minute workout. At the end or their workouts, their workout rates were recorded.
What sort of research design is this?
A. Repeated-measures factorial design.
B. Independent factorial design.
C. ANOVA.
D. Multiple linear regression.
Answer: B
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Indicate whether this statement is true or false.
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