Answer:
nature and nurture
Step-by-step explanation:
Intelligence: In psychology, the term "intelligence" is described as the capability of an individual to learn from different experiences, to think, to adapt to entirely new situations, & to solve specific problems.
The research based on the "nature and nurture" phenomenon is being conducted and reported by many psychology majors as they believed an individuals' intelligence is being derived from his or her genes as well as the environment he or she lives in.
The answer to question above is nature and nurture.