Answer:
Option 4, "The personality of an individual remains stable and behavior becomes predictable as they age."
Step-by-step explanation:
The continuity theory of aging states that a person in general maintains the same habit and personality while aging as he/she used to have during the early time of their life.
This ensures stability and predictability. Both the internal characteristics such as personality traits etc. and external traits such as relationship, social role remains stable. However, stability of the external traits depends upon the stability of internal traits.
Hence, option 4 is correct