What is the criteria of profession according to Flexner?

Flexner's1915 Essay "Is Social Work a Profession" stated 6 criteria for a profession: · Professional activity is based on intellectual action along with personal responsibility · The practice of a profession is based on knowledge, not routine activities · There is practical application rather than just theorizing. · There are techniques that can be taught. · A profession is organized internally. · A profession is motivated by altruism, with members working in some sense for the good of society.