Mostefaoui Oumeima2025-05-202020https://dspace.esm-tlemcen.dz/handle/123456789/197In our study, we will deal with understanding and identifying the factors affecting the purchase decision for the decision maker, we took as a case study of the Algerian family, as for the product, it was the local electrical appliances. To obtain this study, we prepared a questionnaire and published it on social media. As for the sample, it included 172 individuals, and by using the linear regression function, we were able to determine the most important factors. Those factors are consumer’s family and groups influence his buying decision, in addition to his job, his educational level, and his civil status. In addition to other factors in the purchasing phase, we mention: after-sales services, warranty and workers.fr: Customer behaviourCustomerFactors influencing decision makingThesis