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Should AI read your college essay? It's complicated

Should AI read your college essay? It's complicated
Complete or partial words on which RoBERTa models fine-tuned on research assistants relied most for generating personal quality scores. Credit: Science Advances (2023). DOI: 10.1126/sciadv.adg9405

In a new study, researchers developed a series of artificial intelligence tools that can scan through essays in college applications, picking out evidence of key personal traits. That includes qualities like leadership and perseverance.

The team also designed the tools not to show a preference for applicants from particular racial or gender backgrounds—avoiding the "algorithmic bias" that plagues many AI systems, such as some facial recognition software.

The study was led by researchers from CU Boulder and University of Pennsylvania and was published in October in the journal Science Advances.

"Our paper shows that AI doesn't need to be a biased black box as it has been in a lot of other situations," said Benjamin Lira, a doctoral in psychology at UPenn and first author of the study. "You can actually have AI that advances the aims of holistic admissions, which looks at applicants as a whole and not just their grades or test scores."

These tools should never replace experienced, feeling admissions officers and are not currently in use at any , said study co-author Sidney D'Mello. But, under the right circumstances, AI could help admissions officers identify promising future students who may have previously gone unnoticed amid thousands of applications.

"We advocate for transparency, where the AI provides explanations and clearly communicates when it is less confident in its decisions," said D'Mello, professor in the Institute of Cognitive Science and Department of Computer Science at CU Boulder. "People can then decide for themselves how much they should trust it."

The research drills down on what may be the secret sauce for college admissions: When it comes to personal essays, what are colleges and universities looking for? Even experienced admissions officers don't always agree on that point—or even with each other, Lira said.

"Humans have limitations," he said. "You're not going to read the first essay of the day in the same you read the last one before lunch."

In their latest research, he and his colleagues set out to see if they could use AI to try to make that process more reliable. To do that, the team tapped into a mountain of data—more than 300,000 (completely anonymous) applications that had submitted to colleges in the U.S. in 2008 and 2009. Each included a 150-word that applicants wrote about their extracurricular activities or work experiences.

First, the team recruited a cohort of real admissions officers to read a sample of these essays. The professionals scored the essays for evidence of seven traits that colleges might want to see in incoming freshmen. They included ("Running track is so much more than a sport to me") and what the researchers call "prosocial purpose," or the willingness to help others ("Helping children realize their hidden talents is one of the most rewarding experiences I have ever had").

The team also trained to identify evidence of those traits in the essays based on existing theories and research on personal qualities.

The researchers fed those insights into a series of AI platforms called to train them to identify evidence of personal qualities going beyond simple word spotting.

Afterward, when the AI platforms read new essays, their results largely lined up with the judgments of the human readers. The AI also seemed to assign beneficial personal qualities evenly across applicants from all demographic backgrounds—although, echoing previous findings, female writers were slightly more likely to demonstrate prosocial purpose than males.

"If I say 'I donated clothing to a ,' the AI will tell me that it has a 99.8% probability of showing prosocial purpose," Lira said. "But if I say something like 'I like cheese,' that drops to less than 1%."

Surprising discovery

What really surprised the researchers, however, was just how important the language embedded in even these short essays seemed to be.

Students whose essays showed evidence of leadership, for example, were more likely to graduate from college in six years than those who didn't—even after the researchers accounted for the applicants' , demographics and a host of other factors. The relationship was small but could still provide colleges with clues to help their students, said study-co-author Stephen Hutt, who earned his doctorate degree in computer science from CU Boulder in 2020.

"We could actually use these college applications to inform the retention models that universities employ to identify at-risk students much sooner, getting them support in their freshman year, rather than waiting until after," said Hutt, now an assistant professor at the University of Denver.

For D'Mello, the study shows how much information is hiding in human language—if you only know where to look.

"I was amazed by how a 150-word open-ended response contained sufficient information on whether a student would graduate college six years later," he said. "Language is really an amazing thing."

More information: Benjamin Lira et al, Using artificial intelligence to assess personal qualities in college admissions, Science Advances (2023). DOI: 10.1126/sciadv.adg9405

Journal information: Science Advances

Citation: Should AI read your college essay? It's complicated (2023, November 8) retrieved 13 July 2024 from https://phys.org/news/2023-11-ai-college-essay-complicated.html
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