The fundamental types of cognition which are utilized in composing a dissertation work Test as an approach of research Test is just a unique situation of observation. The test should always be grasped as deliberate disturbance aided by the old-fashioned conditions of items or phenomena. The study of certain reactions caused by artificial means without disturbing or complicating the process of vital activity of the object for example, the study of the behavior of a particular object under extreme conditions. It is possible to carry out of the experiment more often than once, more over, experiments may be carried out using [...]