Poster un message

Unfortunately, such observational research risk bias, hidden variables and, worst of all, study groups that might not accurately reflect the population. For one factor, researchers can not use statistical measures of correlation willy-nilly ; every comprises certain assumptions and limitations that fishing expeditions too typically ignore, to say nothing of the hidden variables, sampling problems and flaws in interpretation that can gum up a poorly designed study. It’s a rule that is drummed into most researchers of their first stats class : When encountering a sea of data, resist the (...)