A researcher is interested in learning how children are affected by the death of a parent. It would be unethical, of course, to kill parents just to see the results. In such a case, the next-best option is .

make enquiries or do a survey with people who have gone through the process

i am a priest who cares deeply about the church. i have been called here to explain my views on indulgences and other proposed reforms. i would like to explain why my views are consistent with the bible and are correct.