Defaults, changes to defaults and reactance

What really influences our decisions? We often believe that our decisions are influenced solely by our own reasoning and principles. Psychological research shows, however, that seemingly insignificant factors can have a significant impact on our decisions. This work examines in more detail the influence of default options: Are default options chosen more frequently? Or do our personal attitudes influence our decisions to such an extent that default options play no role? What happens when a default is changed? Does this lead to annoyance or reactance? If these questions pique your interest, you should read on.