A unifying modular approach to the description of modern instrumentation used in analytical measurements is described. Through the identification of five modules for analytical instrument, discussions pertaining to the different physical and chemical interactions can be better directed towards the similarities and differences in the actual methods.

A method and apparatus for collecting and interpreting eye movement data is described that is both relatively inexpensive and portable. The study lists and describes hardware and software components of a data collection and data analysis system which provides precise information regarding the location, duration, and sequence of eye fixations while…

During the past few years vocational and technical education has been under increased pressure to account for expenditures and to justify programs. The purpose of this publication is to review and present information relative to the evaluation of personnel in vocational education in order to assist those responsible for evaluation in the selection…

This publication is primarily designed for educational practitioners who possess little or no training in conducting mail surveys or have not kept current on the present state of the art of survey methods and techniques. It is also intended to be a checking and comparing aid to ensure that important research considerations are taken into account.…