Environment vs. Genetics

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Personality is a concept that can be viewed so differently among people. There are several conceptual issues that relate to the study of personality but the two that pulled me the most were Genetic Determinants and Environmental Determinants. This is my third class in my Graduate program and I have found that Nature vs. Nurture is an “argument” that is a constant factor in individual development and personality. I am swayed more toward these two factors of personality development due to several personal experiences.

Upon referring to the text and reading various articles, one would be able to conclude that genetic evidence of personality development come from several studies of twins.

“Surprisingly, some attitudes and beliefs show almost as much genetic influence as do other behavioral traits. One focus of recent interest is traditionalism, the tendency to follow rules and authority and to endorse high moral standards and strict discipline. For example, a large twin study estimated that half of the variance on this measure is due to genetic influence, and a report of twins reared apart has also found substantial genetic influence for traditionalism” (Plomin, 1989).

Throughout my lifetime I have encountered several sets of twins. Some have been friends, teachers, coworkers, etc. Throughout grade school and into my high school years there were a set of female twins that were in various classes of mine. The twins parents insisted that they become separated because they wanted them both to form their own identities. Throughout school one twin was very athletic and belonged to several academic and drama clubs. The other twin appeared to be more introverted in the school setting. What I found most interesting was certain patterns they followed. No matter how different their environments were they always followed set rules in the same manner. They were both extremely polite and spoke very eloquently. When they were together it was as if the...
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