Designed for students who are not specialized in mathematics, this work aims to provide a maximum conceptual understanding of all the statistical techniques commonly used in social sciences and behavioral sciences. It combines an engaging tone with scientific rigor. Its other strengths include the significant emphasis placed on descriptive techniques, the frequent use of concrete examples to highlight the links between research questions and statistical tests, and the presence of numerous solved exercises.With its qualities, this work stands out as an essential reference source both during and after the university curriculum.