Their hope was to see a small effect on body fat after the mice stood on the platforms 15 minutes a day, 5 days a week, for 15 weeks.
"I figured this was a long shot, and at best you might see a small effect," says Collins. "Instead, what you see, looking at the shape of the nucleus, is that you can cure these cells".
If providers overestimated the average time they spend with patients, we would expect to see a smaller effect size after taking this into account.
37 It may be that we did not see a strong relationship between wrinkling in this site and sun exposure because there is too much variation due to patterns of facial movements to see a smaller effect of reported sun exposure.
In contrast, we saw a smaller PM10 effect on mortality among the elderly in cities with higher O3 levels, a pattern mainly observed in the U.S. cities.
For example, some would require a person to take a drug for decades to see only a small effect, he says.
One of the reasons preventing either private or public investors from funding clinical studies in this field is the small expected difference between experimental drugs and placebo in children with headache, which means a huge sample is to be enrolled to see such a small effect.
A Cohen d of 0.2 to 0.3 is seen as a small effect; around 0.5 as a medium effect; and 0.8 and higher as a large effect.
Communities within the region such as Fort Frances, Thunder Bay, and Dryden would also see a small positive effect due to increases in Atikokan household expenditure (Table 2).
In a sensitivity analysis excluding the study that might have enrolled people with fasting glucose of 126 mg/dL or above, 33 we saw a smaller, but still significant, effect of impaired glucose tolerance or combination of impaired fasting glucose and impaired glucose tolerance on future stroke (relative risk 1.20, 1.07 to 1.35; P=0.002).
