Shared Decision Making and Satisfaction With the Diagnostic-therapeutic Process in the Shared Decision Making and Satisfaction With Colorectal Cancer Screening. The CyDESA Study

Inclusion Criteria: * Participants in the colorectal cancer screening program, with a positive result in the FIT AND in whom the perform of a colonoscopy is indicated AND agree to be included Exclusion Criteria: * People for whom the performance of a colonoscopy is not indicated by medical reasons * People who refuse to perform a colonoscopy * People who do not understand Spanish or Catalan, with deterioration of the cognitive state that do not allow them to understand or answer the questionnaires on their own or with the help of a caregiver; * People in which the process is not carried out completely in the study centers (eg. performance of the colonoscopy in a private center).