A personality psychologist is interested if being a snob is heritable. To answer this question a personality psychologist recruits a huge sample of 2,593 identical twins and found that identical twins were similar in how snobby they were with an effect size of r=0.55. They also recruit a huge sample of 1,845 fraternal twins and found that fraternal twins were also similar in how snobby they were with an effect size of r=0.46.  Calculate the heritability coefficient for being a snob. Remember that your data here is made up, so please don't tell your friends about how heritable their snobbishness is.  Answer: Now interpret the heritability coefficient you just calculated in plain English.

Ciccarelli: Psychology_5 (5th Edition)
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ISBN:9780134477961
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Chapter1: The Science Of Psychology
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A personality psychologist is interested if being a snob is heritable. To answer this question a personality psychologist recruits a huge sample of 2,593 identical twins and found that identical twins were similar in how snobby they were with an effect size of r=0.55. They also recruit a huge sample of 1,845 fraternal twins and found that fraternal twins were also similar in how snobby they were with an effect size of r=0.46.  Calculate the heritability coefficient for being a snob. Remember that your data here is made up, so please don't tell your friends about how heritable their snobbishness is. 

Answer:

Now interpret the heritability coefficient you just calculated in plain English.

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