Wednesday, April 24, 2019

Research Methods Essay Example | Topics and Well Written Essays - 250 words - 1

Research Methods - bear witness ExampleTwin studies are particularly suited to separate the environmental and genetic backgrounds of an abundance of traits such(prenominal) as intelligence, schizophrenia and alcohol dependence (Winerman 2004). In trying to determine whether genetics plays a theatrical role in intelligence both intelligence quotient (IQ) test and MRI Scans. The brains of about ten similar twin and ten fraternal twins could be scanned. Since identical twins have identical genes, tests for correlation should hand over close to 100% for identical twins while tests for and fraternal twins would show correlation imminent to 50% since they are not likely to have identical genes. In terms of schizophrenia a number of identical twins are tested for the malady. If both identical twins carry the disease they are concordant. If they do not then they are discordant. The rate of concordance determines whether the disease is hereditary Schizophrenia.com (n.d.). match to Abou t.com (n.d.), in terms of inebriety twin studies would compare the incidence of alcoholism of identical twins with that in fraternal twins. If there is any genetic component in the risk of alcoholism then identical twins with identical genes are be expected to show similar histories of either developing alcoholism or not developing alcoholism. Fraternal twins, on the other hand, who are genetically different individuals, are more likely to differ in their tendencies as it relates to alcoholism.Motluk, A (2001). IQ is Inherited, suggests twin study. News Scientist fifth Nov 2001. Retrieved http//www.newscientist.com/article/dn1520-iq-is-inherited-suggests-twin-study.html Last accessed 31st Mar

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