Which term describes failing to act with the level of care an ordinary person would exercise under the same circumstances?

Morale hazard refers to the tendency of individuals to take greater risks when they are insulated from the consequences, often due to insurance coverage. This concept is related to behaviors that change because of a perceived safety net, rather than a failure to exercise care in a situation. Thus, it does not directly describe the lack of care expected in negligence cases.

Moral hazard involves a situation where one party takes risks because they do not have to bear the full consequences of their actions, typically due to some form of protection, such as insurance. This term focuses on behavior influenced by external factors rather than the standard of care expected in negligence, making it distinct from the concept of negligence itself.

Duty owed refers to the legal obligation one party has to another to avoid causing harm. While it is a component of negligence, as one must first establish that a duty exists before proving negligence, the term itself does not encapsulate the idea of failing to act with ordinary care. Therefore, it does not adequately define the concept in question.