INFLUENCES ON HUMAN BEHAVIORAL DIFFERENCES Matt McGue and Thomas J. Bouchard, Jr Department of Psychology and Institute of Human Genetics, 75 East River Road, IQ studies of adult twins, although limited in number and size, extend this pattern by ﬁnding an average MZT correlation of and an average DZT correlation of (McGue et alCited by: Jun 18, · Think of these influences as building blocks. While most people tend to have the same basic building blocks, these components can be put together in an infinite number of ways. Consider your own overall personality. How much of who you are today was shaped by your genetic background, and how much is a result of your lifetime of experiences?
Hereditary Influence on Physical Development. In order to effectively discuss why physical development is an important aspect in an educator's knowledge repertoire, it is appropriate to note some of the main factors which influence or impact the physical development in children. Heredity sets the limitation which environmental differences decide the concluding result. However, genetic factors have a larger effect on personality traits. Through twins and adoption studies, and the hereditary of schizophrenia, it can be seen that hereditary has a bigger effect on personality as compared to family environment.
During the transition to adulthood individuals typically settle into adult roles in love and work. This transition also involves significant changes in personality traits that are generally in the direction of greater maturity and increased stability. Competing hypotheses have been offered to Cited by: Hereditary Influences. Evidence for hereditary influences on intelligence comes from the following observations: Family studies show that intelligence tends to run in families. Twin studies show a higher correlation between identical twins in IQ than between fraternal twins. This holds true even when identical twins reared apart are compared to.