ELIXIR-GOBLET Train-the-Trainer Lessons Core modules Module 1Principles of learning - How they apply to training and teaching Module 2Design and plan: session, course, and materials Module 3Enhancing learner participation and engagement Module 4Assessment and feedback in training and teaching Optional modules ModuleELIXIR Lesson Foundations for ELIXIR Lesson Template ModuleTraining Strategies for different teaching formats ModulePractical application of training skills in a digital environment