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Developmental milestones [3] [4] Age Motor Speech Vision and hearing Social 1–1.5 months When held upright, holds head erect and steady.
Early childhood development is the period of rapid physical, psychological and social growth and change that begins before birth and extends into early childhood. [1] While early childhood is not well defined, one source asserts that the early years begin in utero and last until 3 years of age. [1]
When developmental change is discontinuous, however, researchers may identify not only milestones of development, but related age periods often called stages. These stages are periods of time, often associated with known age ranges, during which a behavior or physical characteristic is qualitatively different from what it is at other ages.
Newmeyer suggests parents download the CDC's free milestone tracker app, which can help parents keep tabs on their child's development from ages 2 months through 5 years old.
The Gesell Developmental Schedules are a set of developmental metrics which outline the ages & stages of development in young children developed by Dr. Arnold Gesell and colleagues. [1] The original scale is generally considered not to satisfy the standards of rigor currently accepted in the field of psychometrics and is no longer used as an ...
Play is a major activity for ages 3–5. For Piaget, through play "a child reaches higher levels of cognitive development." [124] In their expanded world, children in the 3–5 age group attempt to find their own way. If this is done in a socially acceptable way, the child develops the initiative. If not, the child develops guilt. [125]
Developmental delay is prevalent in approximately 1-3% of children under the age of 5 worldwide. [5] According to a systematic analysis done for a conducted study in 2016, there are approximately 52.9 million children worldwide under the age of 5 that are affected by some type of developmental delay or delayed milestone.
The Maturational Theory of child development was introduced in 1925 [1] by Dr. Arnold Gesell, an American educator, pediatrician and clinical psychologist whose studies focused on "the course, the pattern and the rate of maturational growth in normal and exceptional children"(Gesell 1928). [2]