A concept of major importance in human electrophysiology studies is the process by which activation of an excitable cell results in a rapid rise and fall of the electrical membrane potential, the so-called action potential. Hodgkin and Huxley proposed a model to explain the ionic mechanisms underlying the formation of action potentials. However,…

The first of a two-part discussion of an experimental program involving small group teaching in a mixed-ability secondary English class in Scotland, this report outlines the class organization and management techniques used during the program. It also contains an account of the culminating class activity, a group novel-writing project. Six…

The second of a two-part discussion of an experimental program involving small group teaching in a mixed-ability secondary English class in Scotland, this report extends and investigates more deeply some of the problems not dealt with in the first part of the report. Specifically, it analyzes the modes of assessment possible in this form of class…