Secondly, many studies assume satisfaction to be a one-dimensional concept in such manner that a single factor can generate both satisfaction (in the case that everything goes well or works properly) and dissatisfaction (when things do not go well or do not work properly). From this perspective, if we wish to evaluate the tourist’s opinion of the peace and quiet of the destination, we need only ask him/her for his/her opinion of the “peace and quiet” attribute on a bipolar or Likert scale. The inclusion of an evaluation of negative attributes such as “noise” or “overcrowding” would be considered redundant or even confusing for those surveyed. All the same, there are a number of reasons why it would be advisable to ask the visitor to evaluate negative attributes: