High absolute auditory sensitivity: easily perceives faint or quiet sounds

Strong musical hearing: good pitch discrimination and easily remembers melodies

High differential auditory sensitivity: easily distinguishes and recognizes voices or subtle sound qualities

Leftward or minimal handwriting slant tendency

Eveningness chronotype (‘owl' preference): late sleep and wake patterns

Low sensitivity to others' evaluations: emotionally robust, not easily hurt by criticism

Low proneness to guilt: rarely experiences prolonged or intense feelings of guilt

Greater aggressive expression in fantasy than in real behavior: more aggressive in imagination than in real life

Left-hand dominance tendency

Low altruism and more self-oriented: less inclined to give at personal cost, lower empathy

No tendency to blush under emotional arousal: face remains unchanged or pales rather than reddening

Calm under arousal: minimal muscular activation or restlessness when anxious or excited

Low tanning responsiveness: skin burns or remains pale under UV exposure

Low trustfulness and more strategic/cunning: inclined to deception or intrigue

High critical/judgmental tendency: readily judges or criticizes others

Opposite openness/interests: little fascination with natural phenomena, prefers detailed realism over impressionism, realistic appraisal of task complexity, prefers immediate rewards over future benefits