Learn Life-Span Development YOUR Way with HDEV! HDEV�s easy-reference, textbook presents course content through visually engaging chapters. With the textbook or on its own, HDEV MindTap allows you to learn on your terms. Read or listen to textbooks and study with the aid of instructor notifications, flashcards and practice quizzes. Track your scores and stay motivated toward your goals. Whether you have more work to do or are ahead of the curve, you�ll know where you need to focus your efforts. And the MindTap Green Dot will charge your confidence along the way. When it�s time to study, everything you�ve flagged or noted can be gathered into a guide you can organize.