Tavon wants to conduct a survey asking parents about their spending habits for their children.

Tavon should adhere to responsible ethical practices in his research. Which one of the following behaviors must be completed?

A. Tavon must record the names and ages of the children.

B. Tavon must pay the parents with money or a gift card for their time.

C. Tavon must see the parents' bank records to make sure they are telling the truth.

D. Tavon must keep the families' names in the study confidential and private.