H

High-Fidelity Prototype: Detailed models, often interactive, that simulate the look and feel of the final product to test usability and functionality accurately.

Human-Centered Design (HCD): An approach that prioritizes understanding and addressing the needs, challenges, and preferences of learners, ensuring that learning solutions are user-friendly, accessible, and effective.

Hypothesis Testing in Learning Design: A technique used to validate assumptions about learner behavior or learning outcomes by designing experiments and gathering data to evaluate the efficacy of instructional interventions.