You want to conduct a research study on the sexual behaviors of married couples in rural America. You plan on interviewing individuals using an in-depth survey method. After finding individuals to interview, but before you conduct the interviews, what is needed to make sure that this project is ethical?

Answer: Informed consent from participants

Explanation:

Informed consent is defined as the acknowledgment and permission that is provided to the participant of any research experiment for letting them know about possible consequences of it. Participants get to know about risk and advantages that is involved in study.

According to the question, if researcher find individuals for interview, he/she should ask their permission and inform about subject, possible result and risk of the research to gain informed consent from all the participants.