You are peer reviewing a grant application to fund a research study. the application states, "these experiments will prove our hypothesis that hiv-infected individuals are more likely to be affected by alcohol consumption." what is wrong with this statement? select all that apply. a : it will be unethical to conduct research on hiv-infected individuals. b : it will not be possible to get a control group for this study. c : the hypothesis is not well defined and is vaguely expressed. d : a hypothesis should be testable and falsifiable; one does not prove a hypothesis. e : anyone will be affected by excessive alcohol consumption. so no experiments can be done. f : there are not large enough observations for alcohol consumption to draw the conclusion.