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When a researcher assigns participants to either an experimental or a control group based on their last names, systematic differences between groups are created before the experiment even begins. This is a confounding variable referred to as Group of answer choices
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What was the midwest states often called because they were located in the center of the nation
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The patriot act made it easier for law enforcement agencies to conduct surveillance under certain circumstances true or false
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Which chinese invention is used to measur the strength of earthquakeswhich chinese invention is used to measure the strength of earthquakes
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When a researcher assigns participants to either an experimental or a control group based on their l...
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