If so, the percentage of students who reported frequent bullying in school should have been even lower than 8 percent. (educationnext.org)
In other words, the authors made a series of choices that allowed them to estimate that bullying significantly affects 30 percent of students; different choices — say, looking only at victims of frequent bullying in schools — would have produced a figure that was perhaps a quarter as large. (educationnext.org)
Of the 683 teenagers who reported frequent bullying at more than once a week at 13 years, 14.8 % were depressed at 18 years. (sciencedaily.com)