The director of an assisted-living housing complex was puzzled by the following situation. after she let the residents choose their own dinner time, as well as what they wanted to eat, she came to the realization that there were far fewer health problems and deaths among the residents. to what might she attribute this?

Perceived control

Explanation:

In geriatry people often tend to feel like their are loosing control of their life, with their schedules, medicines, diet, and everything else that is being taken from them, it becomes harder and harder to actually feel like you are in control of your life, with this new rules, she gave control back to the residents who were feeling more and more in control of their own life and decisions and allowed them to feel they had a life worth living.