From the perspective of the practitioner social work is considered as
a crypto-cybernetic performance, i.e. the observations formulated by H
einz von Foerster on second-order cybernetics are translated into acti
on patterns for social workers: the observation of the observer is ins
titutionalized in the form of 'supervision'; a 'cultivated sense of po
ssibilities' corresponds to a reality that is seen as constructed, rat
her than objectively given; the contingency of moral expectations lead
s to a 'practised ethic of responsibility'; the black-box idea corresp
onds to the proclaimed 'right of the client for self-determination'. T
oday, due to Heinz von Foerster, social work can unashamedly celebrate
its cybernetic' coming out'.