Answer:
The correct answer is - option D.
Explanation:
Mary Whiton Calkins was a psychologist and the philosopher who was first to introduce the field of the one's own or self psychology. She was first women elected as the president of the american psychological association.
She is known for the her research on dreams, memory, personality and developing the theory of self psychology that was focuses on the one's own relations to the goals and objects in the particular external environment.
Thus, the correct answer is - option D.
