Social technology & theory. -- The relevance of theory for practice. -- The historical origins of organizational diagnosis. -- The contemporary status of organizational diagnosis. -- Anomalies and the hidden sense of crisis in contemporary interpersonal & intragroup theories. -- The five laws of embedded intergroup relations theory. -- Comparisons among group level theories. -- Several meanings of "empirical support". -- Empirical support for embedded intergroup relations theory. -- Ethical practice interpreted by embedded intergroup relations theory. -- Negotiating organizational entry using embedded intergroup relations theory. -- Methods of data collection informed by embedded intergroup relations theory. -- Modes of data analysis based upon embedded intergroup relations theory. -- Feedback designs derived from embedded intergroup relations theory. -- Empirical support for the social technologies based on embedded intergroup relations theory. -- Education for the practice of organizational diagnosis