Mathematics, 28.06.2021 21:40 jhashknkughb6759
Researchers conducted a study to determine whether magnets are effective in treating back pain. Pain was measured using the visual analog​ scale, and the results given below are among the results obtained in the study. Higher scores correspond to greater pain levels. Is this study an experiment or an observational​ study?
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Researchers conducted a study to determine whether magnets are effective in treating back pain. Pain...
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