Final answer:
The correct option is A) Must obtain informed consent from all jurors involved.
Lorena must obtain informed consent from all jurors involved in her study as per ethical guidelines in sociological research. This involves explaining the study, providing information on risks, and ensuring the safety of the participants.
Step-by-step explanation:
In considering Lorena's approach to study how race is discussed among jurors in race-related police brutality cases, the ethical guideline to follow is A) Must obtain informed consent from all jurors involved. This is in line with the standards for sociological research as stipulated by professional organizations and universities.
Participants in sociological research must be fully informed about the study they are taking part in, including the nature of the research, the risks involved, and how the data will be used. Ensuring the safety of participants is of utmost importance, and they must give their written permission to be included in the study before any data collection starts.
Moreover, the option of seeking permission from the court, as suggested in option C, may also be a necessary step to ensure compliance with legal standards and confidentiality mandates.