It is ________ to remove from research the possibility of any harm to a participant ________

A) possible; because research can always be made to have mild effects
B) possible; and most research could still be easily done
C) impossible; because psychologists are often uncaring about participant well-being
D) impossible; because research occasionally involves some mild distress for participants
E) possible; because the context of the university setting generally enables the research to be done at another university where conditions are more amenable

Answer: D