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I mean, it isn't entirely meaningless. There is generally (but not always) an obvious difference in mental capability between someone who scores 60 and someone who scores 160. Not that 160 is a possible score on the newer tests, as far as I know - I think they tend to ceiling around 140-150?
But there are so many variables, from just how you're feeling on the day you take the test all the way to how you did in the general birth lottery - obviously someone who comes from a disadvantaged background is fairly likely to score lower than someone of equal actual mental ability from an advantaged background just based on the differences in what they've been exposed to. Which makes me question the mental ability of both people who look at IQ scores by ethnic and class groupings and declare that rich white people are naturally smarter than everyone else and people who accept that argument and then base their arguments against IQ testing and "ability tracking" on their emotional reaction to it.
At least the whole "Every child is gifted and we all have the same mental capabilities!" comes from good intentions. Although I do like to be perhaps a little mean about it and point out that if our brains are all identical then developmentally disabled people and people with mental illnesses or autism or anything different from the neural norm must be faking it. If you want your total genetic equality pie, you have to eat it too.
I guess part of it is the odd thing I've noticed in American culture. I've referred to it before on here - the bundled concept of intelligence = education = money = personal worth. People tend to evaluate intelligence by what facts you know and what degrees you have and it takes money to go to good schools and get degrees, and well - need I explain the money and personal worth? Hell, it's pretty explicit in phrases like "He's worth $10 million."
Also, I can't tell you the number of times I've seen people discount someone's intelligence (and personal worth) based on their job in my years on the internet. And IRL - I worked in fast food for years, mostly in the drive-thru. I was exactly the same person then that I was when I was doing my brother's senior English homework for him in second grade (reading and answering questions about Agatha Christie's And Then There Were None - he got a 92, IIRC) and scoring high enough on the SAT in 7th grade to go to Duke's TIP program, but it was amazing how differently I was treated.
My current job is fairly respectable (as long as you don't know how much I make - just over $10/hour, OMG I must be mentally disabled), and people are much nicer and more respectful to me now. It's like people don't see actual other people at all. They just see cardboard cutouts and projections and stereotypes. They don't respond to me as a unique individual person. They respond to me as a learned social construct.
And that is how IQ can be destiny, in the way that it affects how other people see you and treat you. Maybe mentally you could handle the honors/AP classes if you were given the opportunity and preparation but there aren't many books at home and you've been going to severely underfunded schools your whole life and honestly you're more worried about your personal safety than about some stupid test - plus, if you do well on it you might become a target for your peers. But the adults around you brand you with the results of the test and use it to slot you into their mental box for McJob fodder and refuse to believe that you have any potential for anything more mentally engaging. And of course that applies on a social level as well - like people in power won't fund your school because "those people" are stupid anyway, Charles Murray said so.
To sum up - I do think that IQ tests have some meaning, but not nearly as much as society gives them. In ideal MedleyMisty world, they'd be used as one of many tools (and certainly wouldn't be the most important tool and all the variables that could affect the score and the failings of the tests themselves would be taken into account) in assessing the educational needs of individuals. And that's all they would be used for - not politics, not judging of personal worth, not excuses for continuing social oppression.
And if you're curious - I took a couple of IQ tests in school. We weren't allowed to know the results of the school wide and electronically scored one in middle school. My mother asked the guidance counselor and was only told that I "could do anything she wanted to do." Which again, underscores adults putting you in a permanent box based on the result of one little test.
In elementary school I took a couple of individually administered and scored ones. I don't remember the first one, but I do remember the re-testing for the academically gifted program in fifth grade. There was a number and a graph but I don't remember those and even if I did I don't remember what test it was and the same number can mean different things on different tests. I do remember some of the phrases in the text though - that I was "working at college level and above" and had "the temperament and abilities to go far with her life."
Which, yet again, is boxing me up based on a test. But I won't deny that it got my self-esteem through middle school and early high school.
LOL - I started this post before reading the other responses, but I just went and pulled it up in another window out of curiousity. The bundled concept is certainly on display - relating intelligence to what is considered external success by our society and the implicit assumption that the "potential" measured by an IQ test is earning potential.
I am forever kicking myself for not bookmarking it and I haven't been able to find it again, but I did once read about a study in which it was shown that the tax bracket of your parents was a much better predictor of your future tax bracket than your IQ. Seems really fricking obvious to me, but hey.
Reading over this before posting it - I think that the general sort of theme is that our culture is fucked up in the head and measures people by what they earn and what they do (which helps explain how that prejudice and assumption on the part of the person giving the test can lead to false low scores for people who are physically disabled or who aren't neurotypical) and that people don't really think of humans that they don't personally know as human and IQ scores are one of the many things that they use to build mental boxes to put people into, which shouldn't totally discredit IQ tests but rather make us more careful about how we use them.
Oh, and that social inequality and the differences between the educational opportunities available to rich white kids as opposed to poor and minority kids have an effect on IQ test scores, and pointing that out and explaining it and advocating for a more equal society would be much better than the "All kids are gifted and you just think you're better than other people!" kneejerk emotional reaction - which tends to provoke the equal and opposite emotional reaction of "Why are you taking your inferiority complex out on me and forcing me to be average to keep your feelings from being hurt?"
And yes, it's late and I'm tired and rambly. But thank you for this thread - it has brought up a lot of things for me and I still have a lot of thoughts about it to flesh out.
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