Industry in the United States is facing one of the greatest hurdles of all time, that of retraining its work force. The printing industry, in particular, faces a continuing lack of experienced and knowledgeable people. It has begun cooperative efforts to retrain workers in the basic skills needed to run a printing operation. Subjects like basic math, accounting, writing, and sciences round out the curriculum. Also on the scene are entrepreneurial training firms. Off-site training typically goes for 250β350perpersonperday;theonβsiteinstructiongoesfor400 and up. And then there are options like computer-based tutorials. A firm in San Francisco ships an animated lesson on chokes and spreads to desktop publishers for $20. The demand for this packaging of instructional material has been high. But is it effective