These studies...

"Conservatives, it turns out, react more strongly to physical threat than liberals do. In fact, their greater concern with physical safety seems to be determined early in life: In one University of California study, the more fear a 4-year-old showed in a laboratory situation, the more conservative his or her political attitudes were found to be 20 years later."

*****

"They were asked to close their eyes and richly imagine being visited by a genie who granted them a superpower. For half of our participants, this superpower was to be able to fly, under one’s own power. For the other half, it was to be completely physically safe, invulnerable to any harm."

~ J. Bargh

https://www.washingtonpost.com/amphtml/news/inspired-life/wp/2017/11/22/at-yale-we-conducted-an-experiment-to-turn-conservatives-into-liberals-the-results-say-a-lot-about-our-political-divisions/