Consent to participate in research is an ongoing process. Which of the following strategies would help ensure that participation in a survey about a sensitive personal topic remains voluntary throughout a study?1. Designing the survey so that subjects are not forced to answer one question before going to the next.2. Giving examples in the consent process of the kinds of questions that will be asked.3. Including the institution’s privacy policy on the survey site.4. Providing a thorough debriefing at the end of the study.