The “choice overload” (...) when shoppers at an upscale grocery store were given six choices of jam, they were far more likely to actually buy one than when they were presented with 24 choices of jam (...) decision paralysis: more options lead to fewer selections—and, it turned out, less satisfaction with the choices made. (Article.)
Les marketeux pensent que le plus est le mieux. Faux et énantiodromie. Le talent du concepteur de produit est de comprendre son marché, et de faire des choix qui lui plairont. Du moins c'est ce que je pense.