Olivia believes that the more dynamic and involved older adults are, the more likely they are to be satisfied with their lives. thus, she believes in:

Activity theory  is the right answer.

Explanation:

The theory predicts active interactions and engagements in the community that leads to life satisfaction, self-image improvement, and adjustment of life positively. Remaining active, enables the elders to have the capability of enhancing psychological and physical well being.

Most activism theories are attractive to the society they belong to, because they offend the elders. However, the stereotype is an aspect that becomes a barrier to integrated community affecting both young and older people. Therefore, activity theory tends to be active as long as they exist.

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;