Political party is genetic?

A famous twin study had an intriguing result: political affiliation (left/right) had a strong genetic component.

There's a famous twin study (looking at how much twins vary versus random people), to help answer nature versus nurture questions. One intriguing result was the political affiliation, or at least left/right alignment, showed that nature was far significant than people thought. They concluded that over half of the political difference (like authoritarian leanings) was genetic.

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~ Aristotle Sabouni
Created: 2019-06-24

Is political affiliation genetic? One twin study hinted it was:

On one that makes sense. How logical/emotional you are, putting head over heart, or fearless about change or reserved about consequences, does sound like it would have a genetic factor.
On the other hand, there's another study that showed what year you were born had an impact on your political leanings (even more so). Which makes sense as well: if you grew up a spoiled millennial that had parents taxi you everywhere, you're going to have a different world-view than kids who grew up on their own during the great depression, WWII, or even latchkey generation. And since the time-political alignment study was later, it doesn't seem like the sibling study took those factors into account. (Assuming you trust a non-peer reviewed Columbia Ph.D. students grad project a reliable study).

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Issues
These are issues that people fight over... current events or consistent divisions.

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Twin Study

Time Study

Tags: Issues