The study found that of the children who slept with a room light on before the age of 2, 55% were myopic. Of the children who sl
ept with a night light on before the age of 2, 34% were myopic. Of the children who slept in the dark before the age of 2, 10% were myopic. The study concluded that, "The prevalence of myopia [...] during childhood was strongly associated with ambient light exposure during sleep at night in the first two years after birth." Does the data support this statement? You may interpret "strongly" in any reasonable qualitative way.
The statement is totally supported in accordance with the data.
Explanation:
As we can see a pattern in the given data where exposure to ambient lightning conditions of Room light, Night light and totally dark environment, the rate of myopia is decreasing gradually according to the above order.
For more accurate results, the study can be made broader by taking in more and more candidates because the more number of data sets we have the more statistically accurate results we'll get.
Is a bone marrow biopsy painful? Most people need only local anesthesia, as bone marrow aspiration, in particular, can cause brief, but sharp, pain. Individuals are fully awake during the procedure, but the aspiration and biopsy site will be numbed to reduce pain.
