8 An experiment examined the psychophysiological effect of

Last updated: 4/28/2023

8 An experiment examined the psychophysiological effect of THC the active ingredient in marijuana The study recruited a sample of 18 young adults who were habitual marijuana smokers Subjects came to the lab three times each time completing the same questionnaire but each time smoking a different marijuana cigarette one with 3 9 THC one with 1 8 THC and one with no THC a placebo The order of the conditions was randomized in a double blind design Why can we not use a one way ANOVA procedure here to test whether the mean feeling of high is the same for all three THC amounts a The assumption of independent random samples is not met b The assumption of Normality is not met c The assumption of equal population standard deviations is not met d The explanatory variable is categorical