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Table 2 Country-level absolute measures of inequality and rankings

From: Does early tracking affect learning inequalities? Revisiting difference-in-differences modeling strategies with international assessments

  Original scores Country rankings
SD1 SD2 F-gap1 F-gap 2 SD1 SD2 F-gap 1 F-gap 2
Tracked 67.2 (12.4) 97.3 (9.5) 83.5 (19.2) 134.5 (22.3) 11.3 (7.9) 15.5 (6.5) 13.0 (7.3) 16.3 (5.9)
Untracked 69.5 (9.4) 90.3 (6.1) 83.4 (22.4) 114.0 (13.5) 13.7 (6.3) 9.5 (6.7) 12.0 (7.1) 8.7 (6.1)
  1. Standard deviations in parenthesis. Rank: 1 = smallest, N = largest
  2. Under the heading F-gap1 and F-gap2 we report results relative to the effect of tracking on the difference between tertiary educated parents with the largest number of books and no tertiary educated parents with the lowest number of books: F-gap = [ln(500) × \(c_{1}\) + \(c_{2}\)] − ln(5) × \(c_{1}\)