WGU D664 Learners and Learning Science | PRACTICE TEST 2026 | Objective Assessment (OA) Q&A | Verified A+ Grade

Pass your WGU D664 Learners and Learning Science Objective Assessment on the first attempt with this comprehensive practice test, fully updated for 2026. This document features a robust collection of exam-style questions and verified correct answers, specifically designed to align with the Western Governors University curriculum. Detailed coverage includes critical learning process components such as encoding, storage, and metacognition, alongside advanced study strategies like interleaving and retrieval practice. Deep dive into the developmental theories of Piaget (Preoperational and Formal Operational stages) and Erikson (Identity vs. Role Confusion) to ensure you are prepared for the scenario-based questions common in the OA. Whether you are studying cognitive development or instructional teaching strategies, these materials provide the exact insights and clarity needed to secure an Exemplary (A+) grade. Stop the guesswork and utilize a resource that mirrors the rigor of the actual 2026 assessment to accelerate your degree progress.