This document discusses blended learning, which combines face-to-face classroom methods with computer-mediated activities. It defines blended learning as using online content and tools combined with in-person sessions. Blended learning can take various forms and be organized into modules. The document outlines the goals and content of Module 4, which focuses on understanding blended learning, its benefits and challenges for teachers and adult learners, providing feedback in blended courses, and creating online tests and assignments.