Discusses the need for a method to measure computer user abilities, and presents an instrument that identifies individuals' technical, modeling, and applications skills. An evaluation of the instrument in terms of validity and reliability is reported, and applications in user education research are suggested. (12 references) (CLB)

Aspects of practical assessment such as question design and management of the assessment are discussed. Reference is made to some of the problems and to the possibilities for innovation as a result of implementing practical assessment of the kind required by the General Certificate of Secondary Education examining groups. (CW)