To analyze individual-related acts and behaviours by solving different kinds of problems and tasks (especially with complex caracter) is a main part of ergonomic analysis - predominantly the ones which require a distributed solution. To derive statistical significant statements and to ensure an effective and efficient measuring of competences it is necessary to collect the data (video and audio) automatic and digital. For this purpose a technical system should be developed and applied which is able to trace the evaluated probands without interruption in distributed areas.