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| Name | Nature vs Nurture: Twin studies & Adoption |
| Video Uploader | Video From InterestingTopics - A Deeper Analysis |
| Upload Date | This Video Uploaded At 30-07-2021 12:39:33 |
| Video Discription | Nature vs Nurture: Twin studies & Adoption Has the Nature vs Nurture debate been answered for good? Twin and adoption studies have allowed us to disentangle the forces of nature and nurture. By separating nature and nurture, we can isolate the effect of the genes and the environment. This is important, because in the case of twin studies we have a control subject. Their genes are identical - but becuase they are raised separately we can isolate the effect of their environment. Twin studies are limited by the number of subjects available. It's not common that twins are born and adopted into separate households. This is where adoption studies are interesting, we can look at adopted children, and children brought up by their parents (sometimes even a sibling of the adopted child) and compare them, are the adopted children less similar to their parents than the children brought up by them? These studies were pioneered by Thomas Bouchard, and more recently by Robert Plomin. They have been revolutionary in both the fields of psychology and behavioural genetics. We also explain the genetics of intelligence and the correlation of IQ (or more accurately; G-factor) and environment between adopted children and non adopted children. The results were astounding showing that although nurture and environment matter, they are largely shaped andd moulded by the individual's genetic predispositions. Please tell us what you think; has the nature vs nurture debate been solved? Does parenting matter? Can the effect of the environment really be so small? If you enjoyed this video then please like it & subscribe to our channel for more. Sources [1] Jim Twins https://www.rd.com/culture/twins-separated-at-birth/ [2] Jim Twins https://www.washingtonpost.com/wp-srv/national/longterm/twins/twins2.htm [3] Colorado adoption project http://ibg.colorado.edu/cap/publishedarticles.html aggbloom, Steven J.; Warnick, Renee; Warnick, Jason E.; Jones, Vinessa K.; Yarbrough, Gary L.; Russell, Tenea M.; Borecky, Chris M.; McGahhey, Reagan; Powell, John L., III; Beavers, Jamie; Monte, Emmanuelle (2002). "The 100 most eminent psychologists of the 20th century". Review of General Psychology. 6 (2): 139–152. [4] Minnesota study of twins reared apart findings http://web.missouri.edu/~segerti/1000H/Bouchard.pdf https://www.jstor.org/stable/2885713?seq=1 [5] What is G factor? https://www.verywellmind.com/what-is-general-intelligence-2795210# [6] G as a predictor of success https://www.mdpi.com/2079-3200/6/2/27 [7] Shared/non shared environment, correlations between twins/adoptees/families https://academic.oup.com/ije/article/40/3/563/740639 [8] Similarity in personality reared apart and together https://pubmed.ncbi.nlm.nih.gov/3397862/ [9] CAP findings https://www.cambridge.org/core/journals/twin-research-and-human-genetics/article/colorado-adoption-project/E03A165DC666060646D7D8DA3E4DFCFA [10] CAP methods and findings at age 16 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3817005/ [11] Interaction of personality & academic success https://www.mdpi.com/2079-3200/6/2/27 [12]Top replicated findings from behavioural genetics - used as a reference for a number of the claims made in this essay https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4739500/ [13] Genetics and divorce https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2923822/ [14] History of twin and adoption studies https://www.brainfacts.org/brain-anatomy-and-function/genes-and-molecules/2019/twin-studies-histories-and-discoveries-in-neuroscience-061119 [qZiWr9G-mkg] |
| Category | Science & Technology |
| Tags | nature vs nurture | twin studies | adoption studies | genetics | nature and nurture |
