According to The Encyclopedia of Business, (c)2000 Gale Cengage, On-the-job training is by far the predominant form of job training. Studies also indicate that it is the most effective form of job training. Yet, it also represents a significant investment considering that roughly 30%% of a new worker's time is spent in on-the-job training during the first 90 days of employment, that productivity of experienced workers assigned to train new workers...