"Macrosocial systems. These include systems in communities and industrial sectors, and institutions operating at the overall level of a society. They constitute what I have called "domains". . One may regard media as socio-technical systems. McLuhan has shown that the technical character of different media has far-reaching effects on users. The same applies to architectural forms and the infrastructure of the built environment. Although these are not organizations, they are socio-technical phenomena. They are media in Heider's as well as McLuhan's sense."

“This principle valued the discretionary rather than the prescribed part of work roles .”

“Whole organization systems. At one limit these would be plants or equivalent self-standing workplaces. At the other, they would be entire corporations or public agencies. They persist by maintaining a steady state with their environment.”

“A main problem in the study of is that the environmental contexts in which organizations exist are themselves changing, at an increasing rate and towards increasing complexity. This point, in itself, scarcely needs laboring. Nevertheless, characteristics of organizational environments demand consideration for their own sake if there is to be an advancement of understanding in the behavioral sciences of a great deal that is taking place under the impact of technological change, especially at the present time.”

“Internal regulation of the system by the group was thus rendered possible rather than the external regulation of individuals by supervisors.”

“Socio-technical studies needed to be carried out at three broad levels - from micro to macro - all of which are interrelated:”

“Considering enterprises as "open socio-technical systems" helps to provide a more realistic picture of how they are both influenced by and able to act back on their environment. It points in particular to the various ways in which enterprises are enabled by their structural and functional characteristics to cope with the “lacks” and “gluts” in their available environment.”