A researcher is conducting an ANOVA test to measure the influence of the time of day on reaction time. Participants are given a reaction test at three different periods throughout the day: 7 a.m., noon, and 5 p.m. In this design, there are factor(s) and level(s).
(a) 2, 3
(b) 1, 3
(c) 2, 6
(d) 3, 1
