The approach to the assessment system constant which gives the learner's degree offer-you-go, allowing him enough opportunities in a long time to improve its level, and raising the degree of his mastery, he has a big impact in the process of learning and education technology, where the learning process and punctuated and followed, and determined in the light of the results of: education strategies , and methods of training, and individual therapy programs. This approach is in three types:
1 - Calendar tribal: Measures of information and skills necessary for tribal learn new information and new lesson and skills.
2 - structural Calendar: Measure how well the learner for each of the objectives of the lesson.
3 - dimensional calendar: Measures the degree of student mastery of information skills and subject matter.
