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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 ...
The Denver Developmental Screening Test ( DDST) was introduced in 1967 to identify young children, up to age six, with developmental problems. A revised version, Denver II, was released in 1992 to provide needed improvements. These screening tests provide information about a range of ages during which normally developing children acquire ...
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] Gesell carried out many observational studies ...
Louise Bates Ames (October 29, 1908 – October 31, 1996) was an American psychologist specializing in child development. [1] Ames was known as a pioneer of child development studies, introducing the theory of child development stages to popular discourse. Ames authored numerous internationally renowned books on the stages of child development ...
t. e. Child development stages are the theoretical milestones of child development, some of which are asserted in nativist theories. This article discusses the most widely accepted developmental stages in children. There exists a wide variation in terms of what is considered "normal", caused by variations in genetic, cognitive, physical, family ...
He believed that children of different ages made different mistakes because of the "quality rather than quantity" of their intelligence. [4] Piaget proposed four stages to describe the development process of children: sensorimotor stage, pre-operational stage, concrete operational stage, and formal operational stage. [5]
The Tanner scale (also known as the Tanner stages or sexual maturity rating ( SMR )) is a scale of physical development as children transition into adolescence and then adulthood. The scale defines physical measurements of development based on external primary and secondary sex characteristics, such as the size of the breasts, genitals ...
Jean Piaget's cognitive developmental theory describes four major stages from birth through puberty, the last of which starts at 12 years and has no terminating age: [11] Sensorimotor: (birth to 2 years), Preoperations: (2 to 7 years), Concrete operations: (7 to 11 years), and Formal Operations: (from 12 years). Each stage has at least two ...