Other limitations of this study include those inherent in before-after study designs.
In study after study and in country after country, men report more, often many more, sexual partners than women.
In the 1980's, the number of violent crimes rose sharply, and in study after study, tourists labeled New York the worst place in the country to visit.
It could be daunting to confirm bias in study after study, or see the subtle clockwork of racism evoked in brain scans.
In addition, sustainability (i.e. continuation of the CLI in practice after study termination) was evaluated.
It has been demonstrated in study after study without equivocation that short-term antibiotics are not effective in a great many cases.
But the general picture is consistent in study after study.
In study after study, researchers around the world are consistently arriving at the same answer: education.
And in study after study, they concluded that caffeine actually does improve performance.
In the sixty years following Morris's pioneering work, the benefits of exercise have been measured in study after study.
