Mathematics, 17.08.2021 16:40 hdhdhd49jdhd

In a research study, students were randomly assigned to three different groups. Group 1 drank no cups of coffee, group 2 consumed 1 cup of coffee, and group 3 consumed 2 cups of coffee. Following this, all the participants took an IQ test. What is the independent variable

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In a research study, students were randomly assigned to three different groups. Group 1 drank no cup...

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