Analyzes the skill acquisition sequence in using a software package and proposes advent models for investigating patterns of user interaction with information systems. The use of transaction log data is explained, advent function analysis is described, and tests of the models on longitudinal data are discussed. (26 references) (LRW)

The purposes of the study were: (1) to ascertain the professional competencies needed by trade and industrial teachers to be effective, as perceived by successful trade and industrial teachers, administrators, supervisors, and teacher educators; (2) to ascertain whether the teachers felt that they had the opportunity and instruction available to…