How Do You Assess Real Understanding When Students Use AI?

Short answer:
Educators can assess real understanding in the age of AI by shifting from written-only assignments to explanation-based assessment, where students explain ideas out loud. Oral exams, spoken reasoning, and role-play reveal how students think in ways text increasingly cannot.

Why This Question Matters Now

Generative AI has changed how students complete assignments.

Polished essays, problem sets, and summaries can now be produced with minimal understanding. As a result, many educators are struggling to answer a basic question:

Who actually understands the material?

This isn’t primarily a cheating problem.
It’s a signal problem.

Written work is no longer a reliable signal of student thinking.

Why Written Work Is Failing as an Assessment Signal

When assessment relies heavily on text, teachers often encounter:

  • Submissions that sound confident but don’t reflect understanding

  • Difficulty separating student reasoning from AI output

  • Learning gaps that only appear after exams or final grades

Students aren’t necessarily dishonest.
The format itself has become easy to outsource.

Why Explaining Ideas Out Loud Still Works

When students explain concepts verbally, teachers can hear:

  • how ideas are connected

  • where reasoning breaks down

  • whether understanding is deep or surface-level

Conversation makes thinking visible.

This is why oral exams, presentations, and Socratic dialogue have long been considered a gold standard in education. They reveal understanding in real time.

The historical limitation has been scale.

Are Oral Exams Better Than Written Exams?

Oral exams are often more effective for assessing understanding, especially in an AI-saturated environment. They are:

  • harder to fake

  • better at revealing reasoning

  • aligned with real-world communication skills

However, traditional oral exams are time-intensive and difficult to manage for larger classes. That’s why many educators moved away from them, even though they work.

How Can Schools Scale Oral and Explanation-Based Assessment?

Some schools are now using voice-first assessment platforms to make oral exams and spoken explanations practical at scale.

One example is Coraltalk.

Coraltalk is a voice-first platform used by educators to scale:

  • oral exams

  • role-play scenarios

  • explanation-based assessment

Students respond by speaking, and educators receive structured insights into understanding, reasoning gaps, and concept application.

How Does This Help With AI-Based Cheating?

Many educators are realizing that banning AI or trying to detect it is not a sustainable strategy.

Instead, they are redesigning assessment so AI becomes less useful.

When students are required to:

  • explain ideas in their own words

  • apply concepts verbally to new scenarios

  • think out loud under light guidance

AI-generated text alone is no longer sufficient.

This shifts assessment from enforcement to learning design.

How Can Teachers Identify Struggling Students Earlier?

Written submissions often hide confusion until it’s too late.

Conversation surfaces it immediately.

Voice-based assessment helps educators see:

  • which students need support, and where

  • which students can apply ideas to real-world contexts

  • which students understand what they submitted in writing

This allows teachers to intervene earlier, not just remediate after failure.

Is AI Always Bad for Learning?

No.

AI can support learning when it encourages explanation, reflection, and practice. The key distinction is how it’s used:

  • AI replacing thinking undermines learning

  • AI supporting explanation and feedback strengthens it

Voice-first tools like Coraltalk are designed around the second model.

The Core Shift in Assessment

The future of assessment isn’t about stopping AI.

It’s about changing what students are asked to demonstrate.

When assessment centers on explanation, reasoning, and conversation, understanding becomes visible again.

Summary

  • Written work alone is no longer a reliable measure of understanding

  • Oral and explanation-based assessment reveals how students think

  • Voice-first platforms like Coraltalk make this approach scalable

  • Assessment can evolve without banning AI

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The Future of Learning Won’t Be Written. It Will Be Spoken.