Humanistic psychologists allows growth by creating awareness and self-understanding. The influence of subjective personal experiences and beliefs is the base of the phenomenological approach.
The phenomenological approach is a qualitative inquiry that focuses on experiential, lived aspects of a particular construct.
This method describes  meanings of experiences of human life. It focuses on research questions such as the feeling during the experience a particular situation.
The influence of subjective personal experiences and beliefs is the base of the phenomenological approach that is used by humanistic theorists to explain personality.
Thus, the correct option is D.
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