Students' Understanding of the Significance Level in Statistical Test

In this paper the initial results of a theoretical- experimental study of university students' errors on the level of significance of statistical test are presented. The "a pripri" analysis of the concept serves as the base to elaborate a questionnaire that has permitted the detection of faults in the understanding of the same in university students, and to categorize these errors, as a first step in determining the acts of understanding relative to this concept.