The leading questions in Exhibit 8-3 suggest the kinds of signals that can warn a manager when training may be necessary. The more obvious ones relate directly to productivity. Indications that job performance is declining may include production decreases, lower quality, more accidents, and higher scrap or rejection rates. Any of these outcomes might suggest that worker skills need to be fine-tuned. Of course, we are assuming that the employees performance decline is in no way related to lack of effort. Managers, too, must also recognize that a constantly evolving workplace may require training. Changes imposed on employees as a result of job redesign or a technological breakthrough also require training.