Created through a "student-tested, faculty-approved" review process with over 70 students and faculty, CDEV is an engaging and accessible solution to accommodate the diverse lifestyles of today's learners at a value-based price. CDEV employs a visually appealing design with photos and graphics, plus chapter-by-chapter study cards, online self-quizzes, downloadable flash cards, and online observation videos to capture and hold students' attention.