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A research like: “of 100 families that we studied we found: biological siblings had stronger/weaker bond vs. half-siblings vs non-biological and 40 years later their relationship was found stronger/weaker”

Or kids 40 years after moving out of their parents house children had stronger/weaker bonds with their biological aunt/uncle/grandparent/cousins.

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    $\begingroup$ Hi Honey, Welcome at CogSci. Could you perhaps explain a bit more about what you want to research, and what the (scientific) relevance is of such a research? The more context you provide, the better the answer will be $\endgroup$ – Robin Kramer Apr 1 '17 at 8:10
  • $\begingroup$ @RobinKramer I have a sister, say my mother passed away, and my father marries a women who has 1 daughter. My new step mom also gets pregnant with a new half-sister. My new mother's sister is my new step-aunt. Though I still have my real aunts from my own biological mother, I still have my biological sister just as I have my new step sister & new half-sister. Now let's fast forwards 20 years and Me and all my siblings have grown up and moved out of our parents house. $\endgroup$ – Honey Apr 1 '17 at 9:45
  • $\begingroup$ Would there be any extra bond between me and my biological sister vs me and my step-sister vs. me and my half-sister? Or extra between me and my real aunt vs. my step aunt? Would blood ties draw us closer? $\endgroup$ – Honey Apr 1 '17 at 9:46
  • $\begingroup$ I think others try to express that this is rather a sociology question. Else, I would find this rather an interesting experiment $\endgroup$ – Probably Apr 6 '17 at 9:05
  • $\begingroup$ @Probably and there's no community for that on stack exchange right? $\endgroup$ – Honey Apr 6 '17 at 9:41