What describes behavior that is motivated by internal moral principles?

The term that best describes behavior motivated by internal moral principles is "Universal Ethical Principle." This concept refers to the understanding that certain ethical standards transcend individual perspectives and societal norms. It encompasses the idea that individuals make decisions based on deeply held beliefs about right and wrong, which are often universal truths that apply beyond personal or cultural viewpoints.

When individuals are guided by universal ethical principles, their motivations stem from a commitment to justice, equality, or human rights, rather than external pressures or rewards. This internal compass often leads people to act in compliance with their moral beliefs, even in the face of opposition or when personal gain is not guaranteed.

The other options, while related to moral and ethical reasoning, do not solely capture the essence of being guided by internal moral principles as clearly. Intrinsic motivation refers more broadly to the internal drive to engage in activities for their own sake due to personal satisfaction, rather than specific moral commitments. Autonomous morality suggests a level of independence in moral reasoning, but it doesn't necessarily emphasize universal principles across different situations. A personal ethics framework implies a subjective system of values and could vary significantly between individuals, which may not align with the universality indicated in the correct choice.