... below for each development: 1. Some of the critical and sensitive periods in the Childs life 0-8 years 2. Factors that may affect the Childs development. 3. Different assessing techniques to measure development In this section of the essay we shall be looking at Physical Development. Children all go through stages when they should master these skills and develop. Normative development checklists, percentiles, and growth and height charts can measure these skills and development. Other techniques used for studying children are such as observing children, cross section methods and longitudinal methods. Growth refers to an increase in physical size and can be measured by height. Before child is born growth is measured by ultrasound scans, weighing of the mother and feeling her abdomen. Heredity, hormones, nutrition and emotional influences determine growth. . The first critical period for the development of the child is pre-birth, when the child is still in the mother's womb, known as the pre-natal ...

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