The theoretical proof of the hypothesis in the applied pedagogical study

The article deals with the result of the statistical analysis of the thesis, where the theoretical substantiation of the hypothesis wasn’t fulfilled. There is mentioned one of the possible consequences of the hypothesis testing in the experiment, that hasn’t completed this stage. The author denotes the conditions that allow the theoretical hypothesis testing to achieve its aims. There is demonstrated the experience of the argument, confirmation and refutation of the hypothesis at the specific examples.