What are the four aspects studied in the development of human beings according to HERNÁNDEZ, NIÑO, RUBIO and SÁENZ?

1. Physical development, which refers to changes in the body and motor skills and has an important influence on personality.
2. Intellectual or cognitive development, which studies the transition of mental processes from reduced intelligence in the early years of life to more complex, abstract, and logical intelligence that the subject acquires as they grow and relate.
3. Emotional or affective development, which studies the development of emotions, feelings, and personality traits.
4. Social development, which studies the development of social skills, relationships, and interactions with others.