An employer decides to test whether the number of 15-minutes breaks his employees are given on a six-hour shift affects productivity on the assembly line. Group 1 is given no breaks, Group 2 is given two breaks, and Group 3 is given three breaks. What type of test should be used to determine if the number of breaks affects productivity (pieces/hour)?
a. One-way ANOVA
b. Two-way ANOVA
c. One-way ANOVA with repeated measures
d. Mixed ANOVA with repeated measures on one factor
e. None of the above.
Ans: a
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