<P> The theory deals with the internal structure and the external structure of continuity to describe how people adapt to their situation and set their goals . The internal structure of an individual such as personality, ideas, and beliefs remain constant throughout the life course . This provides the individual a way to make future decisions based on their internal foundation of the past . The external structure of an individual such as relationships and social roles provides a support for maintaining a stable self - concept and lifestyle . </P> <P> The major criticism for the theory is its definition of normal aging . The theory distinguishes normal aging from pathological aging, neglecting the older adults with chronic illness . </P> <P> The feminist theories criticise the continuity theory for defining normal aging around a male model . </P> <P> Another weakness of the theory is that it fails to demonstrate how social institutions impact the individuals and the way they age . </P>

Continuity theory and the evolution of activity in later adulthood