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1. You want to know the effects of sleep deprivation on student test marks. As part of the experiment you select a group of 10 students studying Psychology from your classroom and arrange for them to have a disruptive sleep pattern by waking the subjects up every half hour. At 8:00 a.m. they are required to complete a fifty word multiple choice test. At the same time you selected your first 10 subjects you then select another 10 students from your classroom but ensure they receive a restful sleep prior to completing the same test. For the above experiment/scenario, please: i) Independent variable ii) Dependent variable iii) Control group iv) Experimental group B) List at least 2 possible confounds (i.e. third or extraneous variables) in this experiment that may bias the results (i.e. jeopardize internal validity). Because the scenario doesn’t give you a lot of information, you can be creative (while still being realistic).
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