Developmental Psychology

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Development Psychology Development psychology refers to the scientific study of the systematic psychological changes that normally occur to human beings throughout their growth period from birth to old age. It was originally concerned with children and infants, but it has since expanded to include the entire life span of mankind including adolescence and adulthood. Development psychology covers the extent to which human development occurs through gradual accumulation of knowledge, and the extent to which children born with inmate mental structures learn through experience. Several psychological theories and approaches like the behavioral, humanistic, psychoanalytic, biological, and cognitive approaches have been developed to explain the development psychology. This paper explains these approaches and theories. Behavioral psychology studies how living organisms develop different behaviors in response to the conditions surrounding them (Lerner, 2002, p. 34). Among the theories that best explains behavioral psychology is Skinner’s operant conditioning theory (Lerner, 2002, p. 53). This theory asserts that the behavioral change process does not require repeated efforts but rather requires an immediate reaction to familiar stimulus. In his starving rat experiment, it emerged that different behaviors are learnt by reinforcement, which is used to strengthen or discourage a desired behavior of a particular living organism. Lerner (2002) further suggests that human beings respond positively to verbal operant, since they can listen to advice, warnings, and obey rules (p. 59). Since human beings have the knowledge of what will happen if they choose to behave in a particular way, they can keep themselves from acting in certain unacceptable... ... middle of paper ... ...activities like learning, sensing, feeling, thinking and the brain. Tenenat (2008) asserts that the brain is the controls center for movement, sleep, hunger and virtually every other vital activity necessary to survive. In conclusion biological psychology is vital during mental illness and understanding how human beings behave, since human behavior is triggered by the mind. Despite its many strengths and supportive facts, biological psychology fails to consider the social and emotional aspect of the person and the things that can affect them outside of their biology. Works Cited Lerner, R 2002, Concepts and theories of human development, Blackwell, Oxford. Piaget, J 1983, “Piaget’s theory” handbook of child psychology, Willey, New York. Tenenat, J 2008, The nervous system, viewed 8th April 2011,

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