Okay so I had to make up an experiment and I am having trouble finding the control group.
The hypothesis is that your respiratory rate increases as walking speed increases.
What is my control group in this experiment?|||Those people who walk at a constant rate.|||Your control group would be the same as your experiemental group. Here's why: For this experiment, you would measure the respiratory rate of each subject when they are at rest. Then, you would measure their rate when they are walking at different speeds. You would compare the rates to determine if your hypothesis is true or not. The variable of interest is walking speed so measuring the resting respiratory rate of people not being affected by this variable (walking) makes them the control at the beginning of the experiment.
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