Mlle : MILOUD Nousseiba Rajaa Mlle : TENNI Khadidja2026-10-082022-06-12https://dspace.esm-tlemcen.dz/handle/123456789/413The objective of this thesis is to treat the impact of merchandising on the purchase decision. For this, we conducted a case study at Carrefour Algiers to see how this impact can be observed and measured. Our measurement tool is a 15-question questionnaire addressed to 150 consumer customers of laundry products, where we used SPSS software version 21 and the statistical method used is the mixed method. The results show that there is a significant positive impact of merchandising on consumers' buying decision, where 85% of respondents said that merchandising impacts their buying decision.frmerchandisingpurchase décisionConsumer BehaviorCarrefourmixte methodThesis