A2

A researcher found a Cohen's d effect size of .25 between anxiety scores for people who took CBD (with a mean of 50) and those who took the placebo (with a mean of 58). What does this mean? O people who took CBD had a 25% lower anxiety score than those who took placebo O People who took CBD scored, on average, 1/4 of a standard deviation lower on anxiety than those who took the placebo. O People who took CBD scored statistically significantly lower on anxiety than those who took the placebo O Both A & B O Both A & C O Both B & C All of the above