A confounding effect of country with study design is also apparent: all Nordic studies showing a large effect size were parallel-design studies, whereas the only Nordic study showing a negative effect had a crossover design.
One may also benefit by considering a pre-post analysis in comparison to assessing treatment effects in a crossover design.
In other cases, there were differences in the activity [ 26- 29, 32], potential environment order effects in a crossover trial [ 33, 36, 39], or other potential differences arising from an observational study design [ 46, 48, 49].
To assess the antihypertensive effect of statins, a crossover study was designed to compare the depressor effect of pravastatin and probucol in hypertensive patients undergoing long-term treatment with antihypertensive drugs.
Others are staying put and hoping to effect a Bjork-like crossover on their own terms.
This clearly shows that the curing temperature has a significant effect on the rate of hydration for HESC and leads to a crossover effect, commonly reported for the concrete with Type I cement.
A crossover effect was observed with PS-PEA materials: at low strain rates, the yield stress decreased with increasing ϕ, and increased with ϕ at higher strain rates.
Among other novel elements, the impact of the so-called post-ownership economy in the transport field indeed has a crossover effect in many various ways [4], which range from the decline of car purchase in Europe to the development of para-transit (e.g., passengers' not-scheduled services).
It's a "crossover effect": The physical act (the effort to stay steady) influences mindset (attraction to the middle).
It's like most inner cities much of the violence is secluded to certain areas, so I feel like it really hasn't affected a festival that's had such a crossover effect.
