You want to design an experiment to test whether talking on a hands free phone w

ID: 3230685 • Letter: Y

Question

You want to design an experiment to test whether talking on a hands free phone while driving has the same effect on reaction times as talking on a hand held phone. You have available a driving simulator and 19 adult male volunteers 3 of whom have driven race cars professionally. You wish to maximize the amount of data obtained from this group, and also wish to minimize the impact of the professional drivers on the results. Use a diagram or flowchart to outline the design of an experiment that will achieve those goals.

Explanation / Answer

We have total 22 people of which include 3 racers

We need to divide the people into two equal groups with 11 each

To maximize the amount of data, we distrubute two treatments to two equal size groups

Now, in order to minize the effect of racers we need to divide them into two groups

one in hands free group

one in hand held phone

other into any one of the group

population distribution normal professional hands free 10 1 hands held 9 2

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You want to design an experiment to test whether talking on a hands free phone w

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