Final answer:
Personality dimensions and traits are determined by a combination of genetic and environmental factors, with five trait dimensions known as the 'Big Five' capturing variations in personality.
Step-by-step explanation:
Personality dimensions and traits are determined by a combination of genetic and environmental factors. Research suggests that there are five trait dimensions, known as the 'Big Five' or the Five Factor model, that capture the variations in personality seen across individuals: conscientiousness, agreeableness, neuroticism, openness, and extraversion. These traits are relatively stable over the lifespan and influenced by genetics. Culture also plays a role in shaping personality, with both universal and culture-specific aspects impacting people's personalities. In addition, psychologists Hans and Sybil Eysenck believed that personality traits are influenced by genetic inheritance, and they identified two specific personality dimensions: extroversion/introversion and neuroticism/stability. Overall, personality dimensions and traits are determined by a combination of genetic predispositions, physiological processes, and environmental and cultural influences.