Suppose that a reseacher conducts a study investigating whether a new antidepressant is effective in reducing depression. Which statements below are accurate? v A Type 11 error would occur if the researcher fails to nd an effect when that effect really exists A Type 11 error would occur if the researcher concludes that the drug is effective in reducing depression, when in fact the drug has no effect on depression. v A Type I error wouEd occur if the ressearcher rejects a true null hypothesis. A Type I error would occur if the researcher rejects the null hypothesis when the null hypothesis is actually true