Answer: Psychosocial change
Explanation:
Psychosocial Theory of Development by Erik Erikson.
There are 8 stages of development in human life span and each stage is characterized by conflict and task.
Stage 1: (birth to 1 year)
A stage where infant depend on those who care for them. It is called the stage of trust and mistrust.
Stage 2: (1-3 years). A stage of learning where toddlers learn about their environment and many things.
Stage 3 (3-6 years) The preschool stage, learning to plan, achieve goals and interact.
Stage 4 (6-12 years) Elementary school stage.
Stage 5 (12-19 years) The stage of adolescence.
Stage 6 (20s- 40s) The early adulthood, the stage of intimacy against isolation.
Stage 7 (40years- 60s) middle adulthood till mid 60s
Stage 8 (mid 60s- death) It is called adulthood, this stage could be a stage of happiness or bitterness, joy or depression, despair, all depends on how their life had been spent.