False, crossover designs are not most useful when the underlying intensity of disease has substantial within-person variability, such as larger seasonal changes.
<h3>When is crossover designs most useful?</h3>
A crossover design is a repeated measurements design such that each experimental unit receives different treatments during the different time periods.
That is the patients cross over from one treatment to another during the course of the trial.
Thus, crossover designs are not most useful when the underlying intensity of disease has substantial within-person variability, such as larger seasonal changes.
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Answer:
PhD diabetics
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thanks for the points
wk. its 2x2-3=45 it solved everything
Answer:
Running Is a very important physical activity. It is needed in everyday life, and it should be practiced to keep your body healthy. Younger children should run a lot, that's why sports are so encouraged in school.
Running can significantly improve physical and mental health. As a form of aerobic exercise, running can reduce stress, improve heart health, and even help alleviate symptoms of depression. Some researchers think running may be so good for us because it's something we evolved to do.
Even only running for 30 minutes is great for you. One 30 minute run is guaranteed to burn between 200-500 calories. That's a fantastic step forwards to your weight loss goal. Or a guilt-free guilty pleasure that day. Or splitting the bottle instead of having a glass.
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Answer:
D. supply the blood with oxygen
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Better emotional stability
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less chance of birth defects
better fertility rates
