👉 The term "constative" is a term used in the field of psychology that refers to an individual who displays a consistent and predictable behavior, such as following directions or making consistent decisions. It is often associated with individuals who are well-behaved and reliable. In psychology, constancy can be defined as the ability to maintain a certain state of mental or physical activity without any change in its nature or quality over time. Constancy refers to the consistency or stability of an individual's behavior, attitude