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Differences in Science Exam Performance Linked to an Individual's Gender

by Dr. Trupti Shirole on  June 3, 2016 at 10:01 AM Research News   - G J E 4
Why do some students score better in the exam than others? Male students in undergraduate introductory biology courses are outperforming females at test time, but it may be due to how exams are designed rather than academic ability. In addition, high socioeconomic status students are performing better than lower-status students on those same tests.
 Differences in Science Exam Performance Linked to an Individual's Gender
Differences in Science Exam Performance Linked to an Individual's Gender
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Arizona State University researchers discovered that females and males do equally well on exams that require mostly memorization. The same holds true for low- and high-socioeconomic status students. However, when tests include cognitively challenging questions that require elevated critical thinking, females and lower socioeconomic students score lower than their male or high-status peers, even though the students have equal academic ability.

‘When exams include cognitively challenging questions that require elevated critical thinking, females and lower socioeconomic students score lower than their male or high-status peers, even though they have equal academic ability.’
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"At first glance, one might assume the differences in exam performance are based on academic ability. However, we controlled for this in our study by including the students' incoming grade point averages in our analysis," said Christian Wright, co-first author of the study and instructional professional with ASU School of Life Sciences. "We were surprised to find that this gap emerged based on cognitive challenge level, and that this negatively affected women and lower socioeconomic students."

The study appears online in CBE-Life Sciences Education.

Over a three-year period, researchers looked at 87 introductory biology exams taught by 26 instructors at a public research university and they included over 4800 students in the analysis. Due to the large scale of the study, the researchers were able to collect exams in which test characteristics spanned a breadth of possibilities.

Sara Brownell, an assistant professor with the school and senior author of the study, said there is a national movement to create biology tests that are more cognitively challenging, as these types of tests can improve students' conceptual understanding of biology; however, doing so may harm the very students they are trying to help.

"We do not recommend lowering the bar. But, we may need to reassess how we are teaching introductory biology to meet these expectations on exams," shared Brownell. "We do want to test at these higher cognitive levels, but we don't want to increase the performance gaps between male and female students, as well as between lower and higher socioeconomic status students."

Brownell recommends using active learning practices to help close the gap, including clickers, classroom discussion and other tools known to enhance student learning and help students perform better on critical thinking questions. In addition, she said more studies are needed to better understand the phenomenon.

If student academic ability is the same, why does a gap emerge when the students take more challenging exams that test critical thinking? "That's the million dollar question," said Wright, who completed the study while a post-doctoral researcher in Brownell's lab. "We think psychological factors such as stereotype threat, which can impact cognitive load, or students having growth or fixed mindsets, may be at play. Regardless, we know we need more information before we can say anything conclusive about why this is occurring. We want to increase students' knowledge of biology, but we don't want to create another problem in the process."

Source: Eurekalert
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