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.
Learn more about crossover designs here: brainly.com/question/28039233
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Nonverbal communication is shaking hands, patting the back, hugging, pushing, or other kinds of touch
So you have enough energy to do things for tomorrow.
To allow your body to rest after the things you did during the day.
I see no options. Please provide the options. Thankyou
<span>Vacuoles. After water enters the cell via osmosis, the vacuoles expand to absorb water, and contract to release it.</span>