'consistent across studies' is correct and usable in written English.
You can use it when referring to something that has been proven to be true in several research studies. For example, "It has been found that the introduction of technology into the classroom has had positive effects, with evidence being consistent across studies."
And most researchers, including Dr. Stacey and Dr. Biblarz, find these results convincing because they have remained consistent across studies carried out under a variety of conditions.
"And these people, the ones who showed this pattern, had less grief over time and had a better overall life adjustment, and this has been consistent across studies".
When employed in general population samples, prevalence estimates of bipolar disorder are relatively consistent across studies in Europe and USA.
However, the main effect of product difficulty and the interactions between the parent brand quality and fit variables have not been consistent across studies.
The number of days with work absence due to headache is relatively consistent across studies from different countries.
The results describing immigrant selection and assimilation with regard to BMI and obesity are consistent across studies that examine immigrants to the US, Canada and Australia.
Second, as stated above, the definition of SH and the clinical setting were not consistent across studies and the ratios of RCVS in these patients may change accordingly.
Almlund et al. (2011), for example, point out that any empirical associations are not consistent across studies, and often preference measures are uncorrelated with intuitively similar personality traits.
"That's consistent across studies of healthy volunteers, addicted cigarette smokers, and in psychologically distressed cancer patients.
Conversely, the results for all other cancers suggested no significant association and results were consistent across studies.
Reference ranges were generally consistent across studies.
