Which term refers to an individual's personal beliefs about whether a decision, behavior, or action is right or wrong?

ethics

Explanation:

Ethics is defined as the phenomenon that describes the various process involved in the way of understanding what is good for a particular individual and his or her society. Ethics is often considered as moral philosophy and it has been derived from a Greek word named "ethos" which refers to disposition, habit, custom, or character.

Types of ethics:

1. Consequentialist ethics.

2. Deontological or duty-based ethics.

3. Virtue ethics.

In the question above, the given statement represents "ethics".

this would and i think the answer is d