Abstract
This article presents the results of a research on the use of a digital manual of own conception in ICT classes and its influence on the formation of student digital skills in technological high school education. The digital textbook was created with the educational software MDIR Constructor. In order to validate or invalidate the hypotheses formulated, parametric and nonparametric statistical tests were applied and the results obtained indicated an increase in the interest and motivation of the students in the experimental group and, implicitly, an increase in their school performance.

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