Given the highly significant increase in stimulation of student interest, and the significant increases in objective exam performance seen in the Fall 2010 class ( Table 6 ), the use of non-fiction novels in addition to or instead of a standard textbook is recommended.
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The sentences
The Fall 2009 comparisons that failed to reach significance may have been due in part to the low numbers of questions that were repeated across exams, or because of the large variances (around 15–30%).