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Table 7 International average scale scores, standard deviations, standard errors, and cross-mode correlation coefficients

From: The TIMSS 2019 Item Equivalence Study: examining mode effects for computer-based assessment and implications for measuring trends

Grade/subject International average scale score Cross-mode correlation coefficient (radj)
paperTIMSS eTIMSS Difference
M SD SE M SD SE M SD SE
Fourth grade
 Mathematics 527 86 1.4 513 86 1.4 14 40 0.7 0.96
 Science 526 86 1.5 518 86 1.5 8 41 0.6 0.96
Eighth grade
 Mathematics 511 98 2.2 497 97 2.3 14 42 1.0 0.97
 Science 521 92 2.6 514 90 2.5 7 43 1.0 0.96
  1. Because of rounding some results may appear inconsistent