Final answer:
The three core principles of the Tri-Council Policy Statement: Ethical Conduct for Research Involving Humans are autonomy, beneficence, and justice.
Step-by-step explanation:
The three core principles of the Tri-Council Policy Statement: Ethical Conduct for Research Involving Humans are autonomy, beneficence, and justice. Autonomy refers to respecting the individuals' right to make decisions about their own participation in research. Beneficence involves acting in the best interests of the research participants and maximizing potential benefits. Justice ensures fairness in the distribution of both risks and benefits of research.