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2 August, 11:54

Marina believes that high doses of caffeine slow a person's reaction time. To test this belief, she has five friends each drink three 8-ounce cups of coffee and hen measures their reaction time on a learning task. What is wrong with Martina's research strategy?

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  1. 2 August, 12:06
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    Answer:Explained

    Explanation:

    Martina's strategy is wrong because there is no controlled conditions.

    Any hypothesis which addresses the problem is done under controlled conditions in which only one or two factors are changed while others remains constant.

    In Martina's strategy there is no restriction on five participants and they are allowed to do learn by their own technique.
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