Before revision: Define possible changes which are both possible and feasible Take action to improve the problem situation Two streams (1988) The two-stream model of SSM recognizes the crucially important role of history in human affairs .
After revision: , and for a given group of people their history determines what will be noticed as significant and how it will be judgedDefine possible changes which are both possible and feasible Take action to improve the problem situation Two streams (1988) The two-stream model of SSM recognizes the crucially important role of history in human affairs .