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A therapist wants to study the effects of yoga and meditation on stress relief. She has 60 volunteers who experience varying levels of stress. Half of the participants will be assigned to practice yoga for one month and the other half will practice meditation. Before the experiment begins, all of the participants will be asked to rate their stress levels on a scale from 0 to 10, with 0 representing "no stress” and 10 representing "highest level of stress.” At the end of one month, the participants will be asked to rate their stress level again. The differences in stress levels will be compared. Which of the following describes a completely randomized design for this experiment?

Sagot :

Answer:

The answer is C

Step-by-step explanation:

I got a 100% on edge

Answer:

The answer is "Yes, but the effects of the first treatment may affect the results of the second treatment."

Step-by-step explanation:

got it right on edge