Prompted by the need for leaders able to turn around chronically low-performing schools, states, universities, education groups, and school districts in the US have initiated a variety of principal development programs. Some programs focus on enhancing the skills of experienced administrators, while others target talented teachers and even…

Reviews possible sources of reinforcement in computer assisted instruction and systematic utilization of these sources in courseware design. Sources reviewed include reinforcement from the machine itself; from the content of the instructional modules and its arrangement in a learning sequence; and from sources external to the modules. (MBR)