This module is designed for Master two students majoring in Language Sciences in the Department of English at M’Hamed Bougara University of Boumerdes. During this semester, students were introduced to research methodology, which will help them in writing their dissertation or training report. The module covers key aspects of qualitative and quantitative research, data collection, data analysis, and related topics. It aims to provide students with an understanding of different research methodologies and to enable them to choose the approach that best fits their research needs cautiously.