Sentences with phrase «implemented correlation study»

Promising — at least one well - designed and well - implemented correlation study with statistical controls for selection bias.

Not exact matches

These better implemented studies showed that marijuana use did not have a significant effect on later harder drug use (in fact, I've always been shocked how little a correlation there was, since there is still a sampling bias here that should find a mild correlation to harder drug use, I'm really shocked there wasn't really found to be any correlation).

As AP Biology, Chemistry, and Physics teachers begin implementing these mandated shifts in content and pedagogy, this study will analyze the correlation among the types of professional development teachers select, teachers» level of participation and perceptions about effectiveness of this professional development, and their students» performance on the new AP exams.