Voting amongst the less intelligent is one of those topics which I think is always going to provoke a significant amount of thought, and much like Ysionris, I've done some significant fence-sitting on the matter, but in the end I think you have to come down on the side of universal voting. There's a strong point to be made that even the question itself (what is "less intellectual" in reference to voting?) is flawed, but beyond that there're some powerful reasons why we should not restrict voting in such a way; ranging from the fact that, while it may appear a contradiction, including the "less intelligent" in a decision-making process actually increases the quality of the decisions; and the fact that by including the "less intelligent" in the decision-making process we provide an incredibly important incentive for the "more intelligent" to improve their lot.
The first point that can be made is purely mathematical. Assume for a moment that intelligence simply measures how likely you are to be right on any given issue, where all issues can be treated as the same, and where right is treated as the option with the best consequences, again ignoring the fact that people may disagree on what consequences qualify as best. Someone with 0.8 intelligence is 80% likely to be right on a given question, someone with 0.51 is 51% likely, and so on. If we take the argument "it is always better to be ruled by the more intelligent than the less intelligent" to be always true, then we should say that we'd rather be ruled by one person of 90% intelligence than a collective of 5,000 people of 51% intelligence. That may initially seem an attractive prospect, right? I mean, why would anyone want to be ruled by a group of people who each only have a 51% chance of being right, when there's that guy who is right 90% of the time? In fact, if you carry the argument to its logical conclusion, this argument says that we should all consent to be ruled by a single extremely intelligent benevolent dictator.
Turns out, the maths is against this apparently intuitive notion. The chance of 2,501 people (i.e., a majority) out of a group of 5,000 reaching the right decision is 92.3%! That's better than that single 0.9 intelligence guy. You can try this yourself with a
basic binomial probability calculator. This tells you something pretty important straight off the bat, and that is that sometimes, numbers are better than sheer brain.
So, straight away, we've gone from "always the more intelligent" to "in certain circumstances, intelligence is preferred". There are still some caveats, though. The first is the people with a less than 0.5 intelligence will actually still always damage the decision making process. Surely this is where the above argument about restricting the vote comes in?
Well, that means we need to look at the flaws of the assumptions in that basic model above. Let's look at the first flaw, which goes to the notion that you can measure intelligence in such a manner! The very first thing you have to challenge is whether we're posing these tests based on intelligence, or knowledge. Would you rather have a voter who is perhaps not the fastest to pick up any given notion, and not the greatest at spotting logical flaws in an argument, but has read every economics textbook this side of the sun; or a voter who, given the materials, would be an economic genius, but has never picked up the slightest bit of economics knowledge in his life? This has big repercussions for the testing process.
Are you going to have something like an end of year school test, which would let in the first guy but not the second, or are you going to have something like an IQ test, which lets in the second guy but not the first?
Both have problems. The knowledgeable but dim voter could be great on his one specific subject, and awful elsewhere, and the intelligent but poorly informed voter could be reasonably adequate on a wide range of subject, but incapable of excellence on any given subject. Arguably, the knowledgeable but dim voter should only be allowed to vote on his specific subject. Do we create different voting tests for different votes? Is there an economic test that creates a bar for voting on economics, but a separate and different bar on ethical morality that creates a bar for voting on abortion? The level of complication required seems so immense that I suspect very few would recommend different tests for different votes. I suspect (and feel free to correct me if I'm wrong) that every single person arguing that voting should be restricted to the intelligent would argue for a single standardised test.
This means that test will by its very nature strip out the specialists, fantastic at one specific subject but mediocre at others, and in doing so deprive us of some very important input. That's already a huge problem with the test: there is no one "knowledgeable" in every single area. Life is full of variety. Going to the test above, that may mean there are people who have 0.99 chance of making the right decisions on matters related to say finance, then 0.1 chance on everything else. Or, to more directly counter some examples provided earlier, there may be someone who is entirely illiterate, but knows more about house building and thus what should be the standard regulations for constructing safer houses than any literate man. Do we include or exclude?
So, some people might counter that knowledge isn't important. Intelligent voters will be able to work out for themselves that they will improve their situation if they make more informed votes; and as such, voting should be based purely on intelligence, where intelligence is defined as the ability to use logical deduction - that is, something that could be measured with a test akin to the IQ test. They'd argue it doesn't matter if the knowledgeable but dim get ruled out, as all that is important is the intelligent. Sadly, I don't this argument stands up to much inspection. The ability of the apparently intelligent to refuse the wisdom imparted to them has birthed more sorrow than history should have to bear. Intelligence does not mean freedom from arrogance or over-confidence. So, we've reached a problem again.
But I accept this is still not a sufficient counter-argument. People could argue that either the stripping out the specialist knowledgeable but dim in exchange for the universally fairly dim is a worthwhile trade-off. Similarly, people could argue the intelligent but uninformed is a worthwhile trade-off for stripping out the dim but uninformed. Both of these arguments have strong moral counter-arguments, but I'll come to those at the end. For now, all it's important to know is that any single test you devise is going to have "false negatives" - people who on a given issue, if allowed to vote, would actually improve the chances of the vote being decided "correctly", ending up being not allowed to vote. That's an essentially unavoidable part of the process.
So, now to tackle the argument that trade-off is worthwhile. Well, here's the kicker. The modes above assumed voters were entirely independent - that presence of one voter didn't affect the "intelligence" of another voter. That's an incredibly dangerous assumption to make, and one that has led to yes-men throughout history condoning disaster. A little historical anecdote, if you may: on a cold and frankly rather miserable evening in February, two gentlemen walked into the Eagle, a (rather good) pub near Cambridge. After ordering a round of drinks, one of those gentlemen announced that he had discovered the secret of life. They'd not actually been drinking (yet); this was Watson and Crick in 1953 just after discovering the double-helix structure of DNA. Watson went on to discuss the reasons why he and Crick had discovered this. Surprisingly, the first reason he listed was that he and Crick had decoded DNA's structure first because they were
not the most intelligent. He described the most intelligent person of the time as the British scientist (they're all British, we're cool like that) Rosalind Franklin. To quote; "Rosalind was so intelligent she rarely sought advice.
And if you're the brightest person in the room, then you're in trouble."
Now, I'll move on from the anecdote before someone complains about anecdotal evidence, and move on to the fact. Behavioural scientists Patrick Laughlin showed that the approaches and outcomes of a group working together towards a solution are not just better than that of the average member working alone, but also exceed the group's best problem-solver working alone. Lone decision-makers cannot match the diversity of knowledge and perspectives of a multi-person unit with themselves included.
It may seem bizarre, the addition of a person, even a person who is likely to be wrong, increases the chance the collective will reach the right answer. This blows the earlier proposition put forth by the mathematical model out of the water. They provide the very best devil's advocate possible - a devil's advocate who believes what they're putting forward. Having to test your ideas against them is crucial. The strength of a proposition rests in how well you can defend it against alternatives. If you restrict the alternatives, you may never find some crucial weaknesses! Going back to the earlier model, that means the idea that everyone has an independent chance of coming to the right answer is wrong entirely.
So, let's examine some other arguments, these more based on morality than direct consequences. The first is goes all the way back to our decision of what "right" is! Sometimes, there is no "right" answer. For example, I base my morality system on a modified form of utilitarianism. Someone else may prefer a deontological system. Neither of us is right or wrong (provided you are a moral relativist. Yet another source of dispute!). As such, a decision that could be right for me may be very wrong indeed for someone else! So, given our test to bar voting is essentially there to block who have a strong chance of making "wrong" decisions,
how can we possibly even conduct such a test when we can't decide between right and wrong? The next argument goes back to the "false negatives" mentioned above. With any test you use, any single test, there will be a moment when someone who is likely to provide a correct decision will be denied. What you have to tell them is that their ability to be self-determinant (something I believe most people value) is to be denied for "the greater good" - even though on this issue they would not damage the greater good at all. It seems a remarkably difficult argument to make. "Because you weren't viewed to be sufficiently informed on recent history, we're not going to let you vote on agricultural subsidies and regulations." Not exactly the fairest proposition.
There's even more, though, out of sight is out of mind. If you truly worry that some people, through lack of knowledge or poor intelligence, are having an impact on your future, then that provides you a big incentive to try and improve their lot; to put effort into renovating schools and placing a higher incentive on teachers. Making them better citizens doesn't just help them, it also helps you! There's a big worry that if the dim and uninformed have absolutely no way to influence events, then the bright and informed (who pretty much have life sorted anyway, in terms of going on to get good jobs and decent salaries) can ignore them.
Why should they help, other than hopefully altruism? By tying everyone together and making everyone interdependent, we provide a reason for people to try and help each other. That is critically important, especially in nations like the United States where the disconnect is becoming increasingly large between the haves and the have nots. This why revolutions happen throughout history - the French aristocrats ignoring the urban poor, the British aristocrats ignoring the American nouveau riche, the Russian tsars ignoring the proletariat.
Finally, throughout all this, we've been pretending that the tests will be conducted fairly and in good faith. As history has shown (and as mattj has been pointing out), any barrier to vote can become an incredibly powerful weapon in the hands of those in charge of it. Look at any map of American electoral districts, particularly battleground states. I mean, what on earth is going with Ohio? Geographically and socio-culturally incoherent lines savaged across a political map in the hope of the tiniest sliver of advantage.
Even if people don't abuse them in such an openly racist way as the last time they were implemented in the United States in particular, they will still be abused for political advantage. You may laugh about the possibility of questions like "Is Obama a communist Muslim fascist?" where candidates are barred from voting if they answer No, but then you take a look at the educational curriculum in Texas and suddenly the joke looks rather frightening.
Overall, the arguments in favour of the universal vote just seem to strong. It may be an initially attractive position to restrict it from the unwashed masses, but the advantages of a larger voting pool, the inclusion of valuable specialists, the advantages of collective decision making, the prevention of myopia on behalf of the intelligent, the avoidance of false negatives, and preventing such a weapon falling open to political advantage, plus that all important incentive for society to work together, just seem to outweigh the notion that every now and again we might stop Scott Walker ending up back in office.