A human-factors psychologist randomly assigns a third of his participants to use Keyboard A, a third to use Keyboard B, and a third to use Keyboard C. He measures the number of words per minute typed by people in each group. He suspects that Keyboard A is designed better and will therefore facilitate a higher words-per-minute rate. He conducts a one-way between-groups ANOVA and obtains the following results: What is his p-value?
a. .313
b. .000
c. .006
d. .986
Ans: C
Psychology
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