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  2. Development of the human body - Wikipedia

    en.wikipedia.org/wiki/Development_of_the_human_body

    Childhood is the age span ranging from birth to adolescence. [7] In developmental psychology, childhood is divided up into the developmental stages of toddlerhood (learning to walk), early childhood (play age), middle childhood (school age), and adolescence (puberty through post-puberty). Various childhood factors could affect a person's ...

  3. Category:Human life stages - Wikipedia

    en.wikipedia.org/wiki/Category:Human_life_stages

    Middle age (3 C, 11 P) O. Old age (16 C, 34 P) Y. Young adult (2 C, 12 P) Youth (23 C, 48 P) Pages in category "Human life stages" The following 7 pages are in this ...

  4. Maturity (psychological) - Wikipedia

    en.wikipedia.org/wiki/Maturity_(psychological)

    The most common age threshold is 18 years of age, with thresholds ranging from 14 to 21 across nations and between provinces. Although the age of majority is referred to as a jurisdiction's legal age, the legal ages of various other issues of legal maturity like sexual consent or drinking and smoking ages are often different from the age of ...

  5. Adult development - Wikipedia

    en.wikipedia.org/wiki/Adult_development

    Levinson also emphasized that a common part of adult development is the midlife crisis. The process that underlies all these stages is individuation - a movement towards balance and wholeness over time. The key stages that he discerned in early adulthood and midlife were as follows: Early Adult Transition (Ages 16–24)

  6. Child development - Wikipedia

    en.wikipedia.org/wiki/Child_development

    [131] By age 6, the child has a vocabulary of 2,600 words, is able to form sentences of 5–6 words and use a variety of different types of sentences. [131] By the age of 5 or 6 years old, the majority of children have mastered the basics of their native language. [131]

  7. Developmental psychology - Wikipedia

    en.wikipedia.org/wiki/Developmental_psychology

    Each period of seeking pleasure that a person experiences is represented by a stage of psychosexual development. These stages symbolize the process of arriving to become a maturing adult. [10] The first is the oral stage, which begins at birth and ends around a year and a half of age. During the oral stage, the child finds pleasure in behaviors ...

  8. Life history theory - Wikipedia

    en.wikipedia.org/wiki/Life_history_theory

    A life history strategy is the "age- and stage-specific patterns" [2] and timing of events that make up an organism's life, such as birth, weaning, maturation, death, etc. [3] These events, notably juvenile development, age of sexual maturity, first reproduction, number of offspring and level of parental investment, senescence and death, depend ...

  9. Stage-crisis view - Wikipedia

    en.wikipedia.org/wiki/Stage-Crisis_View

    In order to do so effectively, he must differentiate between the life course and the life cycle. The life course, as he sees it, is the chronological process of living; from the beginning of life until the end. The life cycle on the other hand, is the common sequence of stages that every person undergoes during their life course.