Ordinate Corporation,  Menlo Park, California www.ordinate.com            7
• Within each group of learners, there is wide variation in the number of hours to get to a specific level, e.g., Group 1 fast learners take a little over 1000 hours to get to just above level 3.5;  it takes the slower learners in this group over 3000 hours to reach the same point
• However, for each group, the same level is achieved with more hours of learning time
• Note that all of these learning times are much longer than typically occurring in a university language class
• Perhaps the approach taken varies with the amount of time on hand
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