Informed consent is required when the researcher needs to observe people and interfere with them, such as asking them questions about the rationale for their behavior while maintaining strict confidentiality in the data collection process.
When conducting observational research, it is not always possible to obtain informed consent, but once you have the opportunity to speak with the participants, their consent is required.
When engaging in participant observation, which also include taking notes, taking pictures, making drawings, and keeping other kinds of records, the researcher must obtain permission before speaking to and interacting with the participants.
Learn more about informed consent: https://brainly.com/question/14914847
#SPJ4