Wednesday, October 13, 2010

SAT Scores and Family Income

On the Sociological Images blog, I saw a graph posted displaying the relationship between family income and average SAT score.  I wasn't exactly sure how the axes of the graph related to meaningful ranges, so I've recreated it her, superimposing average SAT scores for a few Philadelphia area colleges.


The dark line connects the average score for students on each test within each income category. Each labeled colored line indicates the median SAT score for Philadelphia area colleges. The dashed vertical line indicates US median household income.

As you can see, UPenn is far outside of the range of even the wealthiest income group. Being wealthy seems to get you from Penn State Abington to Drexel or Temple for free. Everyone has to work hard to get scores to get into UPenn, but students from wealthy families have an edge over students from poor families, or even median income families.

Andrew Gelman discussed privilege and SAT scores on his blog once. He made some proposals that instead of rewarding points to disadvantaged students, take points away from advantaged students. His argument in a nutshell:
"Disadvantaged students are defined typically not by a bad thing that they have, but rather by good things that they don't have: financial resources, a high-quality education, and so forth. In contrast, advantaged students get all sorts of freebies."
That is, it is easier to define and deduct the positive effects advantaged students have. His 6 proposals (in condensed form here) were
  1. All high school grades on a 4-point scale (A=4, B=3, etc). No more of this 5-points-for-an-A-in-an-AP course.
  2. Subtract points for taking the SAT multiple times.
  3. Subtract points for taking longer on the SAT.
  4. Subtract points for taking a commercial coaching program such as Kaplan, Princeton Review, etc.
  5. Subtract points for going to a private school.
  6. Subtract points if your school (public or private) has its own SAT preparation program.
Now, some commenters thought this was unfair for reasons that are kind of fuzzy. We could take the definition of "privilege" in this context to mean unequal outcomes for equal efforts. Wealthy kids who take SAT prep classes don't, by definition, work harder than poor kids, but they will receive better outcomes.

Others said, "Shouldn't parents with means be allowed to buy the best education for their children?" Given the premises that some schooling is better than others, and that with better schooling comes better economic opportunities, I think it is only reasonable that parents try to do the best that they can for their children. However, the normative suggestion that it should be the case that you can buy a better education is an offensive social attitude to me.

However, here's a super cynical thought experiment. Let's say that you could implement a perfect privilege normalizer for SAT scores, either by boosting the underprivileged or by deducting from the overprivileged, so that only the true aptitude of students shone through. How would this affect the college admissions process?

Well, let's take the purpose of college education to be purely status conveyance. At least, it's status conveyance that separates elite colleges from the rest. To be an effective status conveyer, you need to be careful about who you convey it to. That is, you need to be sure that you're only conveying status to the right kind of people. That is, you should only convey status to people who already have status.

So as it stands now, you're very lucky as a college, because people with more status do better on the SAT, but the SAT appears to be meritocratic on the surface. Hey presto, there's your gatekeeping device. What happens when you take away the status effect on SAT scores? The SAT becomes a poor gatekeeper.  Therefore, I would predict that if SAT scores were effectively normalized for privilege, you would see a de-emphasis of their importance in college admissions, and a redoubled emphasis on the qualitative materials, like extracurricular activity resume, and writing sample.

2 comments:

  1. Most people view the wealthy as those who are ‘snobby’ and have inherited their wealth across many generations. These people have detached themselves from the rest of society and therefore most feel that they should not be entitled. But what about those who actually did work hard to become successful and simply want to help their children pursue similar dreams? For that reason I don’t agree with ‘leveling the playing field’ because it goes against the very reason that we all strive to be successful in the first place. Some people have earned the right to receive special privileges. If people who are currently disadvantaged really want to be successful, let them find a way to make it happen. Success comes with a price.

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  2. @Clay: Let's take your assumption that most people's economic status is mostly determined by their personal effort and gumption as being true. To be clear, your assumption is false and borderline offensive, but let's say it's true. The topic of this blog post was about family income on students' SAT scores. Your comment suggests that children's potential in life being limited by the efforts their parents made in their own lives is just. In fact, children of poor parents deserve to get a subpar education, and children of wealthy parents derserve to get an elite education. What a brutal system that is, which punishes children for the sins of their parents! Social justice aside, a system like this would actually decouple personal effort from economic status completely. The wealthy would be born into wealth, and the poor would be kept in poverty.

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