Here are a few key considerations regarding choosing a case from the researcher's family: - It could introduce bias if the researcher is too close to the case. Their perspective may not be fully objective. - Family members may not feel comfortable openly sharing private/sensitive information with the researcher. - The researcher needs to make extra efforts to protect privacy and confidentiality of family members in the study since they are personally known. - On the positive side, the researcher has easier access to detailed firsthand information and context about the family that may be difficult to obtain from an unrelated case. - As long as the researcher is self-aware and takes steps to mitigate bias through methods like triangulation, member-checking,