Crystallized intelligence is knowledge accumulated over a pe…

Crystallized intelligence is knowledge accumulated over a period of time. It can be acquired via experience, professional and personal, travel, reading and education. It is usually culturally based and can be the result of both choice and personal circumstances. It is sometimes described as cognitive pragmatics and opposed to the cognitive processing of fluid intelligence. It is usually measured by

Sheila retired two years ago at the age of 65. She would hav…

Sheila retired two years ago at the age of 65. She would have worked a few more years, but felt pressure to make room for new younger recruits at her state job. No longer as active on a daily basis, her morale and self concept are lower. In addressing this issue, a developmental psychologist may recommend that Sheila gets involved in voluntary and leisure organizations, child care or other forms of social interaction. This supports which theory?