Medical staff are directly concerned with improving the quality of care. The goal of this study is to qualitatively assess the effects of the application of a Global Assessment Instrument for the Quality of Care (IGEQSI) on thirty nurses divided in two groups: an experimental group—who participated in the IGEQSI, and another “witness” group—who participated in another project. The theory developed with the research concerns affective involvement and satisfaction at work. Affective involvement is the emotional attachment that the employee has to the hospital. Satisfaction at work is a positive response displayed by the worker toward their professional environment. The results of the research show that satisfaction in the workplace could be the result of professional experience and maturity. Hence, there could be a link between personal values and attitude that could encourage the involvement of the staff in management. Responsibilities, recognition, and the feeling of belonging to a group are part of the positive incentives and help develop management objectives.