%0 Journal Article %T Evaluaci¨®n del efecto de bloqueo en el condicionamiento cl¨¢sico de preferencias %A Contreras-Bejarano %A C¨¦sar A. %A Devia-Luque %A Camilo A. %A Cruz-V¨¢squez %A Julio E. %A Torres-Berr¨ªo %A Ang¨¦lica A %A P¨¦rez-Acosta %A Andr¨¦s M %J Suma Psicol¨®gica %D 2011 %I Elsevier %X this experimental research was aimed to test kamin's blocking effect in classical conditioning of preferences applied in the advertisement area. this study was divided into three parts: preliminary study, experiment 1, and experiment 2. in the preliminary study, both conditioned (a false publicity brand) and unconditioned stimuli (female figure with a controlled waist-to-hip ratio) were selected. experiments 1 and 2 consisted of training in classical conditioning of preferences and blocking effect. 17-25 year-old undergraduate students of different careers participated in the present study. according to the results, a blocking effect was observed, suggesting an explanation for different phenomena in fields such as marketing or advertisement, especially when implying brands competition. %K classical conditioning %K preferences %K advertising %K brand names %K physical attractiveness. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0121-43812011000100009&lng=en&nrm=iso&tlng=en