The ECLASS model is used on unit levelDiverse efforts have focused on research into finding an adequate didactic structure. Currently eLML is based on the ECLASS structure (Gerson 2000). We adapted the model according to our needs as described below:

• Entry refers to the introductory statements made before each single lecture unit in a class. An example for an entry could be: What is to be discussed? Why is this topic being introduced? Originally the first E stood for "explain" which is also what the introduction does.
• Clarify represents the core of what is being taught in a unit and its key concepts. In this section, the reading of facts is inevitable. Module related concepts are conveyed. In our case, Data Presentation, a short example is shown to help students visualize the problem.
• Look allows students to review examples or samples of a model that will be taught. It defines the important aspects of the unit through illustrations, animations, videos, white board activities etc.
• Act is to encourage the student to practice what he or she has just been taught. It should be an important integral part of the online learning course, as it actively engages the student.
• Self-assessments should give students the opportunity to test for themselves, what they have learned. What is important here is to provide the necessary feedback for each test completed, so as to involve the learner, and as would a traditional teacher, show what is correct or incorrect - a constructive description, prepared in advance, is postulated.
• Summary is a new point added to M. Gersons structure. It should sum up a unit and point out the main facts shown in this unit. It should contain what was learned and possibly also further expectations. In Gerson (2000) the second S stood for share, meaning group exercises. In the self-developed learning structure eLML, we introduced the Summary as second S and used only one exercise object, the self-assessment.