Just going by the infotainment in the OP: this type of study doesn't give any indication of temporality, so no claims can be made about what causes what. Also, there is no indication that any care was given to drawing a representative sample, just that they polled folks who had been scanned for other studies. The nature of these other studies would be good to know.
As far as the study goes, whatever. A more interesting question would be whether conservative political positions are primarily fear driven. A better way of answering would likely rely on aking people why they believe the things they believe.
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