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A researcher wants to conduct an experiment to test if the size of reward and time...

A researcher wants to conduct an experiment to test if the size of reward and time of testing have a significant effect on a task performance. He plans to use use three levels of reward size (i.e. low, medium and high reward) and two times of testing (morning and evening). How many groups would he need to conduct this experiment, if he plans to use 2-factor ANOVA for independent samples for data analysis?

A. 2

B. 4

C. 6

D. 5

E. 8

0 0
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Answer #1

C.6

( low, morning)

(Low, evening)

( medium, morning)

( medium, evening)

( high, morning)

( high, evening)

These are the groups need to conduct experiment.

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