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Chapter 13: Problem 7

Julian, a researcher, conducts an adoption study and concludes that "nature" affects shyness. Which of these findingsis most consistent with the conclusion of Julian'sstudy? a. Children who are biologically related are dissimilar in their degree of shyness. b. Children who are biologically related but who are raised in different households are similar in shyness. c. A child raised by nonbiological parents is more likely to be shy. d. Identical twins are likely to be dissimilar in theirlevels of shyness.

Short Answer

Expert verified
Option B: Children who are biologically related but who are raised in different households are similar in shyness. This supports the idea that "nature" (genetics) affects shyness, even despite varying environmental factors.

Step by step solution

01

Analyze option A

Option a states, "Children who are biologically related are dissimilar in their degree of shyness." This choice does not support the claim of "nature" affecting shyness because it highlights differences in shyness among biologically related children. In fact, it could even suggest that environmental factors play a more significant role than genetic factors in determining shyness.
02

Analyze option B

Option b states, "Children who are biologically related but who are raised in different households are similar in shyness." This choice supports the idea that "nature" affects shyness. The fact that the children share biological traits but are raised in different environments shows that genetics plays a significant role in determining shyness, even despite varying environmental factors.
03

Analyze option C

Option c states, "A child raised by nonbiological parents is more likely to be shy." This choice does not provide a strong case for the "nature" argument since it does not compare the child's shyness level to that of biological siblings or relatives. The elevated likelihood of shyness could be attributed to either genetic or environmental factors in this case.
04

Analyze option D

Option d states, "Identical twins are likely to be dissimilar in their levels of shyness." This choice counters the "nature" argument as identical twins have the same genetic makeup. If their shyness levels are dissimilar, it suggests that environmental factors play a more significant role in determining shyness than genetic factors.
05

Identify the most consistent finding

Option B provides the strongest support for Julian's conclusion that "nature" affects shyness. Biologically related children raised in different households but displaying similar levels of shyness implies that genetic factors play a significant role in determining shyness, regardless of environmental variations.

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