News Release 

Low-cost intervention boosts undergraduate interest in computer science

North Carolina State University

A recent study finds that an online intervention taking less than 30 minutes significantly increased interest in computer science for both male and female undergraduate students. However, when it comes to the intervention's impact on classroom performance, the picture gets more complicated.

"Our focus was on determining how and whether a 'growth mindset' intervention would affect student interest and performance in computer science, so we developed an experiment that would allow us to explore those questions," says Jeni Burnette, first author of a paper on the work and an associate professor of psychology at North Carolina State University.

"We knew from previous work in other contexts that a growth mindset - the belief that human attributes are malleable - can have significant consequences for self-regulation and goal achievement," Burnette says. "In this instance, the growth mindset is that people can develop their computer science ability. Put another way, it's the opposite of thinking that some people are talented at computer science and other people aren't."

For the study, researchers worked with 491 students taking introductory computer science courses at seven different universities. One group of 245 students was shown four online growth mindset modules over the course of the class, with each module focused on what growth mindsets are and stressing that anyone can learn computer science if they apply themselves. A control group of 246 students was shown four online modules that focused on student health, such as making sure to exercise and get enough sleep. Each module was fairly brief, with the total running time for all four growth mindset modules coming in at about 27 minutes.

All 491 students were surveyed before the intervention and after seeing all four modules. Surveys assessed each student's interest in majoring or getting a job in computer science.

The researchers found that students who received the growth mindset intervention were more interested in computer science than students who received the control group intervention, even when accounting for their interest level prior to the intervention. What's more, the increase in interest was identical for both male and female students who received the growth mindset intervention.

However, the intervention alone did not appear to have a direct impact on student performance in the computer science course. Though it's not quite accurate to say that there was no effect.

"We did not get an immediate effect of the intervention on performance," Burnette says. "But we did find that the growth mindset intervention led students to place more value on the course, meaning they thought the course was more important. And, we found that value correlated with students' final grade in the class. So, there is a positive, indirect effect of the intervention on performance."

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The paper, "A Growth Mind-Set Intervention Improves Interest but Not Academic Performance in the Field of Computer Science," is published in the journal Social Psychological and Personality Science. The paper was co-authored by Crystal Hoyt and Barry Lawson of the University of Richmond; V. Michelle Russell of the University of North Carolina Greensboro; Carol Dweck of Stanford University; and Eli Finkel of Northwestern University.

The work was done with support from the National Science Foundation, under grant number 1327561.

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