Final answer:
The nurse highly values autonomy in shared decision-making due to the freedom of choice and responsibility for their choices.
Step-by-step explanation:
The staff member's satisfaction on the nursing unit is due to the freedom of choice and responsibility for those choices, which aligns with the concept of autonomy in shared decision-making. Autonomy refers to having the authority and independence to make decisions and take responsibility for them. In this case, the nurse highly values autonomy since they have the freedom to make choices and take responsibility for the outcomes.