The evaluation made many times during class is performed at the breakpoints of instruction items or during practice in order to check whether you can proceed according to your class plan. The cost of preparation for this training evaluation is low and adjustment of the training implementation plan is easy. For this reason, it has an advantage of flexible implementation of training evaluation in accordance with the progress and conditions of the class. Taking only several tens of seconds to several minutes, it does not require allocation of dedicated time and can be performed casually many times during class with little burden on the trainees.