The link between SAT & ACT scores and selective colleges

Let's take a quick look at the link between college selectivity, college rankings, and the average ACT & SAT scores of college applicants.  As the following table demonstrates, the general trend is that as a college's ranking rises, so does it's selectivity, and the ACT and SAT scores of its applicants.  

However, ACT and SAT scores should always be placed in context against GPA.  As the following graphs of acceptances and denials in 2012 for USC, Notre Dame, and Stanford  demonstrate, it is not just standardized scores that rise with college selectivity, but also GPA.   

USC

 

Notre Dame

 

Stanford

 

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The benefits of attending a highly selective college

1) Hidden Job Opportunities:  

“When an employment recruiter looks at an Ivy League degree, they will usually look at it more carefully,” says Elena Bajic, founder and CEO of Ivy Exec, an online executive job search site. “An Ivy League education makes a candidate stand out, even before a recruiter talks to them.”  (CNBC, “Education and You”) 

 

2) A Robust Peer-Network: 

Highly selective schools provide a social network that other schools can’t duplicate, according to Brian Eberman, CEO of StudentAdvisor.com, an education comparison site. “From an undergraduate perspective, the primary advantage of Harvard or Yale is the connections that college creates between the students and their peers,” Eberman explains. “Those connections can be quite valuable over time when it comes to jobs and salaries.”

 

3) Increased Lifetime Earnings:  

In 2010, the top earners among Yale graduates typically earned $326,000 per year, while the best-paid graduates of Kent Sate University, a very respectable public university in Ohio, earned on average $124,000.  Extrapolated over the course of an entire career, the average difference in lifetime earnings is well into hundreds of thousands of dollars.  As the following table from Busisness Week demonstrates, there is a very strong link between college selectivity and earnings.  (BusinessWeek.com, Bloomberg Business Week & PayScale.com)

4) Personal Development: 

Lastly, the most underrated, but most valuable aspect of attending a highly selective college -- personal development.  Students at selective colleges are more likely to be pushed by their professors and peers to explore their potential.  Whether it be by studying abroad to widen personal horizons, working with a professor who wrote a seminal text in their area of study, or achieving a greater understanding of what one wants to do in life, it’s very difficult to put a price tag on the experience of attending the college of your dreams.

Test Prep Improves Critical Reasoning and IQ scores

The brain’s white matter, shown above, contains the connections between neurons. The white matter regions highlighted in green or blue showed changes after intense preparation for the LSAT, suggesting improved interconnections among reasoning areas of the brain. (Bunge lab image.)

The brain’s white matter, shown above, contains the connections between neurons. The white matter regions highlighted in green or blue showed changes after intense preparation for the LSAT, suggesting improved interconnections among reasoning areas of the brain. (Bunge lab image.)

BERKELEY —

Intensive test prep for the Law School Admission Test (LSAT) actually changes the microscopic structure of the brain, physically bolstering the connections between areas of the brain important for reasoning, according to neuroscientists at the University of California, Berkeley.

The brain’s white matter, shown above, contains the connections between neurons. The white matter regions highlighted in green or blue showed changes after intense preparation for the LSAT, suggesting improved interconnections among reasoning areas of the brain. (Bunge lab image.)

The results suggest that training people in reasoning skills – the main focus of LSAT prep courses – can reinforce the brain’s circuits involved in thinking and reasoning and could even up people’s IQ scores.

“The fact that performance on the LSAT can be improved with practice is not new. People know that they can do better on the LSAT, which is why preparation courses exist,” said Allyson Mackey, a graduate student in UC Berkeley’s Helen Wills Neuroscience Institute who led the study. “What we were interested in is whether and how the brain changes as a result of LSAT preparation, which we think is, fundamentally, reasoning training. We wanted to show that the ability to reason is malleable in adults.”

The new study shows that reasoning training does alter brain connections, which is good news for the test prep industry, but also for people who have poor reasoning skills and would like to improve them. The findings are reported today (Wednesday, Aug. 22) in the open access journal Frontiers in Neuroanatomy.

“A lot of people still believe that you are either smart or you are not, and sure, you can practice for a test, but you are not fundamentally changing your brain,” said senior author Silvia Bunge, associate professor in the UC Berkeley Department of Psychology and the Helen Wills Neuroscience Institute.

“Our research provides a more positive message. How you perform on one of these tests is not necessarily predictive of your future success, it merely reflects your prior history of cognitive engagement, and potentially how prepared you are at this time to enter a graduate program or a law school, as opposed to how prepared you could ever be.”

John D. E. Gabrieli, a professor of cognitive neuroscience at the Massachusetts Institute of Technology, who was not involved in the research, noted that researchers in the past have shown anatomical changes in the brain from simpler tasks, such as juggling or playing a musical instrument, but not for tasks as complex and abstract as thinking or reasoning, which involve many areas of the brain.

“I think this is an exciting discovery,” he said. “It shows, with rigorous analysis, that brain pathways important for thinking and reasoning remain plastic in adulthood, and that intensive, real-life educational experience that trains reasoning also alters the brain pathways that support reasoning ability.”

Harnessing brain’s spatial areas improves deductive reasoning

The results also suggest that LSAT training improves students’ reasoning ability by strengthening the connections between the left and right hemispheres of the brain. According to Bunge, director of the Building Blocks of Cognition Laboratory, deductive reasoning, such as language comprehension, taxes a predominantly left-hemisphere brain network, whereas spatial cognition taxes a predominantly right-hemisphere network.

“You could argue that, to the extent that you can employ spatial cognition to think through a verbal problem, you would have the edge,” she said.

The structural changes were revealed by diffusion tensor imaging (DTI) scans of the brains of 24 college students or recent graduates before and after 100 hours of LSAT training over a three-month period. When compared with brain scans of a matched control group of 23 young adults, the trained students developed increased connectivity between the frontal lobes of the brain, and between frontal and parietal lobes.

“A lot of data on reasoning has suggested that it is left-hemisphere dominant,” Mackey said. “But what we thought originally was that this kind of reasoning training would require repeated co-activation of frontal and parietal cortices on both sides of the brain. Our data are consistent with the idea that, while reasoning is left-hemisphere dominant, with training you learn to compensate; if you are not very good at reasoning, you start bringing on the right side.”

The study focused on fluid reasoning –- that is, the ability to tackle a novel problem, which is central to IQ tests and has been shown to predict academic performance and performance in demanding careers, Bunge said.

“People assume that IQ tests measure some stable characteristic of an individual, but we think this whole assumption is flawed,” Bunge said. “We think that the skills measured by an IQ test wax and wane over time depending on the individual’s level of cognitive activity.” One fascinating question, Gabrieli noted, is whether the brain changes observed in this study persist for months or longer after the training.


We don't think it's too much of a stretch to assume that test prep for the ACT and SAT, with the right structure and instructors, can be just as effective to high school students' improving their critical reasoning skills as test prep for LSAT has been for college students.

 

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