It used a ShapiroWilk test to assess normality and an F-test to assess homoscedasticity, and attempted log-transformation to resolve any lack thereof 40
A Report on the Priority-Setting Process, Preliminary Data Analysis, and Research Plan (Agency for Healthcare Research and Quality, 2011)
First, the route of cannabis administration (oral, smoked, or vaporized) alters THC pharmacokinetics, as well as its cardiorespiratory and subjective effects 49,50,51,52
Subjective evaluation of skin properties For global evaluation, at each visit, subjects were asked to grade the overall response using a 4-point rating scale: 4 = very satisfactory, 3 = moderately satisfactory, 2 = minimally satisfactory, and 1 = not satisfactory
Does Vitamin B12 Deficiency Cause Hearing Loss