Why Good Students Do ‘Bad’ on Comprehensive Exams

As she works through the midterm, Stephanie recognizes terminology on nearly every question. That is what makes this outcome so unsettling.

The first problem looks like something from her homework, but she cannot tell which method to use. She starts one, crosses it out, and tries another. A few questions later, two ideas she understood in separate chapters appear together. She knows what each means. She is less certain about how they relate.

Steph ponders, Am I getting lost in the sauce?

As she walks away from the exam, she tries to reconcile two experiences: the student who could do the work throughout the semester and the student who struggled to do it for ninety minutes.

Her homework grades were strong. Her quizzes suggested she was learning effectively, which made the uncertainty she experienced on the exam even more confusing. When she gets her grade, she’s shocked because it is much lower than she expected. She doesn’t ask whether the assignments and quizzes leading up to the exam and the midterm demanded different kinds of mental labor. Instead, she asks, Am I cut out for at this?

That question can escalate a common learning challenge into a full transition trap that ensnares her throughout her academic career and beyond.

The more useful question is: Are the exams assessing something different than what was being assess earlier?

When we examine uneven performance like Steph’s, we find the issue isn’t capability, motivation, or effort. It boils down to how students interact with three core elements, which I call the Three Cs of Academic Work.

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The Three Cs of Academic Work

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The disconnect between homework and comprehensive exams comes down to this formula: content and cognition combining to create conceptual understanding.

Just as mixing blue and yellow makes green, students must combine course content (blue) with active cognition (yellow) to build true conceptual understanding (green). Content provides the raw information, while cognition supplies the mental labor required to process it. The resulting green circle—the conceptual product—is what comprehensive exams actually assess: not just what students accumulated, but how well they can navigate the relationships among ideas.

Instructors and students often misunderstand these differences. In student focus groups, they earnestly believe their teachers deliberately try to trick them by putting material on exams that they didn’t cover in class. In faculty focus groups, professors adamantly counter that everything on the exam was taught.

Who’s telling the truth? The disconnect isn’t about what is taught—it’s about what each side actually sees:

Instructors silently benefit from the broader connections they forge over years of learning across terms, course concepts, and discipline frameworks. They don’t realize that this invisible network of understanding is completely hidden from their students during instruction.

So, comprehensive exams may use the same words students encountered in class, on homework, and on quizzes, but they will require them to interact with that content differently. They may need to recognize relevant ideas, choose among approaches, and connect material across topics—mental labor they may be asked to do for the first time.

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Solving this problem requires a different division of mental labor rather than

Narrow Framing: The Root Cause

Narrow framing refers to how early coursework often focuses on specific, isolated pieces of information. In these early stages, students can rely heavily on recall, as there are fewer concepts to differentiate or confuse them. However, as the material becomes more expansive, assessments test not just recall but also students’ ability to understand, analyze, and evaluate a broader range of information. This is where the trouble begins. Without practicing these higher-order cognitive skills, students struggle to meet the demands of comprehensive exams.

When students focus narrowly on small chunks of material, they can often succeed with simple memorization because there are fewer competing ideas. But as the course progresses, and the material expands in breadth and complexity, success on exams requires much more than rote memorization.

Midterms: the academic October Surprise that separates who’s been memorizing from who’s been mastering.

Get Depth to Handle Breadth
To succeed on midterms, students must deepen their understanding of key concepts to manage the wide range of material covered effectively. Mastering midterms requires more than surface-level recall; it demands deeper cognitive processing. Students must engage in activities like analyzing concepts, comparing them, and distinguishing between similar ideas. This deeper level of thinking is crucial for tackling the nuanced and complex questions typically found on midterms. By developing this depth of knowledge, students are better equipped to handle the breadth of material and succeed in more challenging assessments.

What We Can Do

As educators, both inside and outside the classroom, there are some simple solutions we can use to help students bridge this gap. Uneven academic performance isn’t necessarily a sign that students aren’t learning—it often reflects a mismatch between how they’ve been preparing and the cognitive demands of broader assessments. They will continue to struggle if we don’t guide them in developing the necessary skills for these more comprehensive evaluations.

Engagement Exercise: Breadth-to-Depth Study Adjustment

• Professors and instructors: Review your grade books to see if students performing better on narrow assignments, like quizzes and homework, compared to comprehensive assessments.
• Learning assistance professionals: Ensure your staff is trained to differentiate among cognitive skills. This is a threshold skill crucial for promoting independent learning and will enhance the effectiveness of your support team.
• Students: Take time to evaluate your study habits. Are you merely memorizing facts or genuinely understanding, analyzing, and evaluating the material?

We must help students adjust their approach to learning. For the next exam, encourage them to focus on the material’s breadth and depth. They should practice discernment by identifying similar concepts and analyzing their relationships and differences. Judging among closely related ideas is critical for success on complex exams.

Just as the political “October Surprise” can disrupt an election, the academic October Surprise of unexpected low midterm performances signals that students need to shift their approach to learning. The surprise doesn’t come from a failure to grasp the material but from being unprepared for the broader, more complex assessments that midterms represent. By encouraging students to move beyond simple recall and engage in deeper, analytical thinking, we can help them overcome the challenge of cognitively demanding exams.
Surprises can catch us off guard in both the political and academic arenas—but with the proper preparation, students can face their October surprises with confidence, ready to meet the challenge and succeed.

If you found this article valuable, leave a thoughtful comment below to receive a PDF version that you can share with students and colleagues or add to your resource collection for use every semester or term.

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Check out the short video below to understand how transition traps unfold throughout a semester or term.

Please leave a thoughtful comment to show some love for the content—or else I’ll have to call you out as a cheapskate 😉!

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