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Social Studies, 28.06.2019 13:20 Drreeaa

Whether research is hypothesis-driven or not, scientists may use manipulative or observational experimental methods. in a manipulative experiment, a scientist manipulates one or more variables in the study, specifically the independent variable(s). in an observational experiment, a scientist observes differences that naturally occur. for each of the studies described below, indicate if it is hypothesis driven and whether the scientist is employing observational or manipulative methods.

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