Select the correct word to complete the sentence. _____refers to a study of how people try to live their lives according to a standard of “right” or “wrong” behaviour.

Philosophy  

Virtuosity  

Ethics  

Morality  

Ethics

The correct word to complete the sentence is "Ethics".

The correct word to complete the sentence is "Ethics."

To arrive at this answer, you need to understand the definitions of the words provided. Let's break it down:

1. Philosophy refers to the study of fundamental knowledge and existence, including various branches such as metaphysics, epistemology, and ethics.
2. Virtuosity refers to exceptional skill or mastery in a particular field or activity.
3. Ethics refers to the study of moral principles that govern a person's behavior or conduct.
4. Morality refers to principles concerning the distinction between right and wrong or good and bad behavior.

In the given sentence, the word that fits the context of studying "right" or "wrong" behavior is "Ethics." This field specifically focuses on understanding and evaluating human actions in terms of moral values and standards.