Answer:
intragenerational mobility
Explanation:
Intragenerational mobility -
It is the social movement which occurs during the lifespan of a person , ot may refers to the change in the status of an individual during the course of time .
As , seen in the question , Sonya moves with her family to an expensive house as soon as she became a very good author of the best selling book is an example of intragenerational mobility .
