The field of psychology that particularly emphasizes the study of the whole person and is concerned with human flourishing and personal development is

The humanistic psychology.

Explanation:

This field of psychology emphasises the personal growth potential of the individual. It was founded by Carl Rogers and Abraham Maslow. This field is concerned with human flourishing and personal development, focusing only on the whole person, as the exercise details.

answer; i do believe its (b) 12.5 years of age;

we need the diagram to answer this correctly.