How Does Nurture Influence Early Human Development
In order to support the idea of nurture influences on early human development, psychologists have done some researches on several factors of early human development. One of these factors is motor development. All children go through the same stages which begin with rolling over and end by walking. However, it seems that motor behaviours can be improved by practice or encouragement. This belief is supported by Zelazo and Kolb (1972) who did an experiment where infants, who were given stepping practice during the first two months, began walking five to seven weeks earlier than babies who had no practice. Such a result can be considered as an environmental influence. Another factor, which has been researched, is speech development. Speech can