profound desire to go back and change a past experience in which one has failed to choose consciously or has made a choice that did not follow one’s beliefs, values, or growth needs". Instruments to measure regret in people having to make medical decisions have failed to address current concepts of regret and failed to differentiate regret from disappointment. They have also not looked for positive impacts of regret. Process regret may occur, if a person does not consider information about all available choices before making a decision. Life domains A 2005 meta-analysis of 9 studies (7 US, one Germany, one Finland) about what adults regret most concluded, that overall adults regret choices regarding their education the most. Subsequent rankings included decisions about career, romance, and parenting. Education has been the forerunner of regret in the U.S. per Gallup surveys in 1949, 1953, and 1965. Education was the forerunner of regret because it is seen as something where circumstances could be changed: "In contemporary society, education is open to continual modification throughout life. With the rise of community colleges and student aid programs in recent decades, education of some sort is accessible to nearly all socioeconomic groups."This finding can be attributed to the principle of perceived opportunity. "People´s biggest regrets are a reflection of where in life they see their largest opportunities; that is, where they see tangible prospects for change, growth, and renewal. In other cultures, regrets may be ranked differently depending on the perceived opportunity in a particular society. In health care decisions A 2016 review of past studies found risk factors for people to develop "decision regret" regarding their health care were: higher decisional conflict, lower satisfaction with the decision, adverse outcomes in physical health, and greater anxiety levels. Deathbed regrets A 2018 study found that people were more likely to express "ideal-related regrets", such as failing to follow their dreams and live up to their full potential. This was found to correlate with the anecdotal accounts of palliative care nurse Bronnie Ware about the most common regrets she had heard expressed by those nearing death, which included: "I wish I’d had the courage to live a life true to myself, not the life others expected of me." "I wish I hadn’t worked so hard." "I wish I’d had the courage to express my feelings." "I wish I had stayed in touch with my friends." "I wish