Internet (3) Literature (3) perception du risque (2) recherche (2) achat (2) modèle (2) littérature (2) information (2) évolution (2) évaluation (2) internet (2) Decision making (2) Purchasing (2) Identification (2) Web sites (2) Teleshopping (2) Consumer behavior (2) Vendors and purchasers (2) Value (2) Risk perception (2) Research (2) Purchasing (2) Persons (2) Human beings (2) Identification (2) Example (2) Evolution (2) Evaluation (2) Discussion (2) Design (2)