Teacher Approval Ends Discussion

After years of classroom research, Dillon (1988) concluded that teacher interventions during student discussions tend to shut down student thinking and student talk. He found this to be particularly true of positive feedback or praise. The rationale, of course, is that when a teacher communicates agreement with one student’s thinking, both the speaker and other classmates conclude that there is no need for further thought because the teacher has gotten the answer he or she was after.

 Information is the Power to Control

Information is a part of all systems of power. Top bureaucrats try to control information as part of their control over subordinates and clients. Corporations try to control information through trade secrets and patents. Militaries try to control information using the rationale of “national security.” So-called freedom of information— namely, public access to documents produced in bureaucracies—is a threat to top bureaucrats. In a society where not everyone can read and write, litera...

 The Rationale for Doomsday Chests

After the fall of the Roman Empire in Western Europe, much of what we consider "civilization" ceased to be. Literacy, medicine, science, agriculture, engineering, astronomy, governance, all went into decline or regression for the hundreds of years which we now call "The Dark Ages". During this period monasteries were practically the only repositories of scholarship and learning. One historian notes that monks were not only the best educated members of society, by far, but were often the only...