Columbia subject headings:
Ability.
Genetics--Research--Methodology.
Human genetics.
Personality.
Psychology--Research--Methodology.
Harvard subject headings:
Ability.
Genetics--Research--Methodology.
Human genetics.
Personality
Psychology--Research--Methodology
Princeton subject headings:
Ability.
Genetics--Research--Methodology.
Human genetics.
Personality.
Psychology--Research--Methodology.