Scientific investigation of developmental changes

Complete 1 page APA formatted essay: Write an explaining scientific investigation of developmental changes over the course of ones life.Kohlberg believes that moral development has three levels: pre-conventional, conventional, and post-conventional (Woolfolk 114). One aspect of his theory is conventional morality, in which growing children learn to base their moral judgments on the expectations of family and society. This makes them learn good interpersonal relationships, like love, sympathy, and trust.As one enters into adulthood, fluid intellectual abilities (abilities gained through genetic factors, like problem-solving) start to decline, but crystallized intellectual abilities (abilities learnt through knowledge and experience, like remembering the names of oceans) do not decline (Alexander and Winne 118). Fluid intellectual abilities further decline in late adulthood because of physiological changes in brain resulting in mental mal-functioning.Erik Erikson’s theory of psychosocial development, which analyzes an individual’s personality and behavior while he experiences eight psychosocial crisis stages in early life, cannot be ignored. One of the stages is trust vs. mistrust (birth to year one), in which a child learns to trust others if he is well cared for, and learns to mistrust others if he is insulted or not loved by the

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