Learners and Learning Science – WGU D664 Exam Study Guide & Objective Assessment Practice Questions (2026 Updated)

This Learners and Learning Science – WGU D664 Exam study guide is a comprehensive preparation resource designed for students at Western Governors University enrolled in the D664 course. It includes structured practice questions, concept summaries, and detailed review material covering key learning science topics such as cognitive development, learning theories, memory processes, motivation, instructional strategies, and educational psychology principles. Designed to strengthen understanding of course competencies and improve Objective Assessment performance, this guide helps students build confidence and master exam content effectively. Updated to align with current WGU standards, it is an essential tool for successfully passing the D664 exam.