Final answer:
Non-shared environmental influences include things like children's different experiences within the home, peer relationships, and birth order. They are environmental factors that are individual to each sibling, which can contribute to differences in their psychological development.
Step-by-step explanation:
Non-shared environmental influences are experiences that siblings in the same family have that are different and can contribute to differences in their development. These influences include things that happen outside of the home environment. The correct answer is D) All of the above.
In details, A) children's different experiences within the home can arise from differential parenting or child-specific experiences. B) Peer relationships are a major non-shared environmental influence, as siblings can have different sets of friends. C) Birth order can cause non-shared experiences due to differing sibling dynamics based on their position in the family hierarchy.
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