1. A teaching system for human subjects who are developmentally disadvantaged, comprising: a plurality of palm-sized, data logging devices, each of said data logging devices being structured for logging responses elicited from the human subjects, in response to various triggers and stimuli; a computer system operatively coupled with said plurality of palm-sized data logging devices to receive and provide information from and to said plurality of data logging devices, wherein: (a) each of said data logging devices comprise a built-in facility that enables said data logging device to log a result related to one or more of an activity, skill, social event, appropriate behavior, or inappropriate behavior of the human subject being treated; (b) each of said data logging devices comprise a facility which enables the downloading of data to a central data and control repository of said computer system, which categorizes and maintains results in accordance with various criteria; and (c) a processor associated with the computer system which is structured to analyze the data and to develop standardized responses to said events.