Prompt Playground is a feature integrated to an AI Grading Assistant, aiming to enabling graders to preview, evaluate, and refine how the AI grades with provided grading instructions before applying them

Context

Master Thesis
2025 Nov -2026 May

Role

UX Research, Concept Design, Implementation, Between Subject Evaluation

Collaboration

Centre of Expertise in Learning and Teaching, University of Twente

Tool

Figma, Lovable, Claude Next.js, Gemini API, AI-assisted development

Impact

  • Shift how human grades with AI, shift from rewriting to refinement

  • Increased the perceived AI-generated feedback quality significantly