This paper aims to briefly present the main methods that can be used to analyze discourse markers. Thus, for this type of research and to obtain relevant results, we can use methods such as conversation analysis, discourse analysis, corpus linguistics, functional analysis, distributional analysis, statistics and comparison method. However, in addition to these methods, non-specific research methods such as observation, induction and hypothesis are also useful, because in this type of research, the first step consists in observing pragmatic phenomena, and then, starting from these observations and from concrete examples taken from corpora, general theoretical statements can be formulated. To exemplify the usefulness of these methods, we have chosen two discourse markers which can be seen as equivalent: bine-ok with application on professional spoken interaction.