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CogniGuide

Instant Diagnostic Quiz AI w/ Full Option Explanations

Stop relying on simple answer keys. Upload your lecture notes, PDFs, or textbook sections, and watch our AI craft comprehensive diagnostic tests where every single option comes with expert rationale.

No credit card required

Trusted by learners from top universities

University of California, BerkeleyUniversity of MichiganGeorgetown UniversityUniversity of Southern CaliforniaUniversity of Wisconsin-MadisonUniversity of Illinois Urbana-Champaign

Beyond Right or Wrong: True Mastery Through Explanation

Our platform is engineered to support robust formative assessment by detailing the educational context for every possible answer choice.

Deep Content Ingestion

Generate highly relevant quizzes by uploading diverse materials—PDFs, DOCX, PowerPoint slides, or simply typing a detailed prompt—ensuring the test precisely matches your syllabus or diagnostic scope.

Full Rationale Generation

The defining feature: Get detailed, evidence-based explanations for the correct answer AND clear rationales explaining why all distractors (incorrect options) are flawed or incomplete.

Versatile Deployment & Practice

Utilize quizzes in interactive, simulation mode for immediate feedback, or export them in formats optimized for LMS integration, including QTI 2.1 and Moodle XML.

From Source Material to Assessment in Three Steps

Creating high-utility diagnostic assessments optimized for knowledge gap identification has never been faster.

  1. 1

    1. Input Your Knowledge Base

    Upload your specific study documents (PDF, DOCX, PPT) or provide a clear prompt defining the scope, level, and focus areas for your diagnostic quiz.

  2. 2

    2. AI Extracts and Formulates

    The generative AI engine analyzes complexity, identifies key concepts, and constructs multiple-choice questions designed to probe common misconceptions associated with those topics.

  3. 3

    3. Practice or Export Instantly

    Review the generated quiz online for interactive practice, or choose your preferred export format—PDF, Word, QTI, or Moodle XML—for offline use or formal deployment.

The Power of Explanation-Based Diagnostic Quizzing

Generating a static diagnostic quiz is easy; generating one that truly drives learning requires precision. Our AI option explanation generator moves beyond simple knowledge checks by prioritizing active recall and metacognition. By detailing why incorrect choices fail, learners engage in higher-order thinking, solidifying conceptual understanding rather than just memorizing letters.

  • AI analyzes nuance within your source documents.
  • Creates MCQs targeting specific learning objectives.
  • Provides structured feedback vital for effective formative assessment.

Leveraging this technology ensures your practice material is perfectly aligned with your instructional content, making every practice session a targeted step toward mastery.

Frequently Asked Questions

Learn more about the technology powering your custom assessments.

How does the AI generate detailed explanations for incorrect options?

The AI cross-references the core knowledge points with common student errors or misconceptions related to the topic. It constructs a rationale explaining why the chosen distractor is inadequate or factually incomplete, based on the context provided in your source documents.

What types of files can I upload to create my diagnostic quiz?

We support comprehensive input via PDF documents, Microsoft Word (.docx), PowerPoint presentations (.pptx), and various image formats. You can also bypass uploads entirely and input content via direct text or a detailed prompt.

Can I export the quiz for use in my Learning Management System (LMS)?

Absolutely. Beyond PDF and Word exports for offline printing, our tool specializes in producing machine-readable formats required by educational platforms, including QTI 2.1 and Moodle XML.

Is the option explanation generator feature available on the free plan?

The core functionality, including generating quizzes with full option explanations, is available on our free tier, subject to daily generation credit limits. Access to our most advanced, high-capacity AI model requires a paid subscription.