Who is stupider? Republicans or Democrats?

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As the election approaches, we hear more an more rhetoric about how stupid Republicans must be to support Trump, or how stupid Democrats must be to support Slow Joe. Trump is sacrificing lives to boost the economy and the stock market. Democrats are robbing us of our individual rights by forcing us to stay home. Surely the "other side" is made up of bumbling fools while "our side" is enlightened. I decided to do a little internet research this morning to see whether there is a relationship between political party affiliation and intelligence. The first study I read used a very brief assessment of verbal ability as their measure of "verbal ability." They found that Republicans scored about 3 points higher than Democrats. Oh no! Everything I know must be wrong! (I'm a registered Democrat.) But as I read on, I discovered that most of the difference between Republicans and Democrats in verbal IQ were explained away by Socio-Economic-Status (SES). Rebublicans tend to be wealthier, and wealth leads to better education, which leads (on average) to slight verbal advantages for Republicans. The second study I looked at was sort of a "meta-analysis" (summarizing the results of previous studies) It found that, using a wide range of cognitive measures, Democrats were slightly smarter than Republicans overall. But again, the differences were slight. The third article I read was actually a summary of research using different measures of Liberal and Conservative values. It found that Liberals were sightly smarter, but that the smart Liberals tended to be the ones who were "non-Socialist" in their leanings. For example, the tended to respond negatively to the question, "It's the responsbility of the government to take care of its people financially, regardless of whether they work or not" (or something lie that). The smartest Conservatives were those who were fiscally moderate to conservative, but socially Liberal (non-racist, non-homophobic, etc.). The take home message: If you come across someone who says that Democrats or Rebublicans are "stupid," you have to tell them: "Sorry, it's more complicated than that. Overall, Republicans and Democrats are equal and IQ. You have to consider measures used in the studies, SES, and other factors to draw firm conclusions. The real world is a bit more complicated than a Facebook meme, isn't it? To me, the "dummies" are the ones who are so "entrenched" in their views, they can't even hear what the "other side" is saying. Your thoughts?