Final answer:
Psychology. Humanistic psychologists emphasize people's conscious understanding of themselves and their abilities to attain self-fulfillment.
Step-by-step explanation:
The subject of this question is Psychology. Humanistic psychologists such as Abraham Maslow and Carl Rogers focused on the growth potential of healthy individuals and emphasized people's conscious understanding of themselves and their abilities to attain self-fulfillment. They believed that each individual desires to become the best person they can be and emphasized free will and self-determination. These concepts greatly contributed to our understanding of the self.