Color words (4.2) Lets review the design of the study. (a) Explain why this was an
Chapter 12, Problem 25(choose chapter or problem)
Color words (4.2) Lets review the design of the study. (a) Explain why this was an experiment and not an observational study. (b) Did Mr. Starnes use a completely randomized design or a randomized block design? Why do you think he chose this experimental design? (c) Explain the purpose of the random assignment in the context of the study. The data from Mr. Starness experiment are shown below. For each subject, the time to perform the two tasks is given to the nearest second. Subject Words Colors Subject Words Colors 1 13 20 9 10 16 2 10 21 10 9 13 3 15 22 11 11 11 4 12 25 12 17 26 5 13 17 13 15 20 6 11 13 14 15 15 7 14 32 15 12 18 8 16 21 16 10 18 2
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