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Table 4 Group differences for the countries with “plateau shape” distribution

From: Patterns of students’ computer use and relations to their computer and information literacy: results of a latent class analysis and implications for teaching and learning

Education system Reference group Comparison group Mean SE Mean comparison group SE comparison group Mean difference SE difference t value difference
Australia 1 2 482 6.02 548 2.27 65.99 6.31 10.46
1 3 482 6.02 545 4.23 63.21 7.55 8.37
2 3 548 2.27 545 4.23 − 2.78 4.38 − 0.64
Chile 1 2 443 7.49 493 2.84 49.49 7.07 7.00
1 3 443 7.49 496 5.87 52.38 9.12 5.74
2 3 493 2.84 496 5.87 2.89 5.54 0.52
Croatia 1 2 475 6.29 522 2.77 46.72 5.89 7.93
1 3 475 6.29 514 5.20 38.65 6.85 5.64
2 3 522 2.77 514 5.20 − 8.07 5.42 − 1.49
Korea, Republic of 1 2 507 4.11 552 2.60 44.85 4.27 10.50
1 3 507 4.11 540 7.58 32.98 8.07 4.09
2 3 552 2.60 540 7.58 − 11.87 7.68 − 1.55
Lithuania 1 2 466 8.84 501 3.53 34.99 8.44 4.15
1 3 466 8.84 495 5.64 28.15 9.82 2.87
2 3 501 3.53 495 5.64 − 6.84 5.60 − 1.22
Norway 1 2 494 8.71 541 2.33 46.85 8.57 5.47
1 3 494 8.71 531 7.04 36.76 10.16 3.62
2 3 541 2.33 531 7.04 − 10.08 6.71 − 1.50
Poland 1 2 500 7.19 543 2.44 42.98 6.89 6.24
1 3 500 7.19 536 5.12 36.32 9.01 4.03
2 3 543 2.44 536 5.12 − 6.66 5.43 − 1.23
Russian Federation 1 2 472 8.22 519 2.76 47.10 7.85 6.00
1 3 472 8.22 524 3.60 51.88 8.89 5.83
2 3 519 2.76 524 3.60 4.78 3.16 1.51
Slovak Republic 1 2 464 10.08 525 4.12 61.12 9.69 6.31
1 3 464 10.08 521 6.76 57.32 10.80 5.31
2 3 525 4.12 521 6.76 − 3.79 5.58 − 0.68
Thailand 1 2 333 8.76 379 4.77 45.81 8.48 5.40
1 3 333 8.76 392 7.09 58.43 10.91 5.36
2 3 379 4.77 392 7.09 12.62 6.44 1.96
Canada (Ontario) 1 2 507 7.22 553 2.63 45.71 7.02 6.51
1 3 507 7.22 552 6.14 44.29 8.25 5.37
2 3 553 2.63 552 6.14 − 1.42 6.25 − 0.23
Canada (Newfoundland and Labrador) 1 2 510 8.18 533 3.05 22.63 8.63 2.62
1 3 510 8.18 532 8.18 21.88 10.80 2.03
2 3 533 3.05 532 8.18 − 0.74 8.62 − 0.09