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appendix c: percentiles and standard deviations of reading achievement
Exhibit C.8 Standard Exhibit Deviations C.8: Standard of Achievement Deviations in of Reading Achievement for Retrieval in Reading and for Straightforward
Retrieval and
Inferencing Straightforward Inferencing
Countries
Mean
Overall Girls Boys
Standard
Deviation
Mean
Standard
Deviation
Mean
Standard
Deviation
Austria 544 (2.1) 66 (1.1) 547 (2.3) 64 (1.4) 541 (2.5) 68 (1.5)
Belgium (Flemish) 545 (1.9) 59 (1.2) 548 (2.3) 59 (1.3) 542 (2.3) 60 (1.7)
Belgium (French) 501 (2.6) 71 (1.3) 504 (2.8) 70 (1.7) 498 (3.0) 72 (1.5)
Bulgaria 538 (4.2) 79 (2.4) 544 (4.3) 76 (2.3) 531 (5.0) 81 (3.4)
Canada, Alberta 553 (2.6) 72 (1.2) 556 (2.7) 71 (1.4) 550 (3.1) 73 (1.5)
Canada, British Columbia 551 (2.8) 71 (1.3) 554 (3.0) 70 (1.5) 547 (3.2) 72 (1.8)
Canada, Nova Scotia 533 (2.2) 76 (1.3) 542 (3.1) 72 (1.7) 525 (2.9) 78 (1.7)
Canada, Ontario 543 (3.1) 73 (1.7) 548 (3.8) 71 (1.9) 538 (3.4) 75 (2.2)
Canada, Quebec 533 (2.7) 65 (1.2) 537 (2.8) 63 (1.5) 528 (3.3) 67 (1.6)
Chinese Taipei 541 (2.0) 68 (1.0) 546 (2.1) 65 (1.2) 536 (2.3) 70 (1.6)
Denmark 551 (2.7) 78 (1.6) 558 (3.1) 78 (2.2) 543 (3.2) 79 (2.0)
England 533 (2.8) 91 (1.8) 543 (3.5) 90 (2.1) 524 (2.8) 90 (2.0)
France 523 (2.1) 67 (0.9) 529 (2.5) 66 (1.2) 518 (2.5) 68 (1.2)
Georgia 478 (3.3) 73 (1.9) 486 (3.5) 71 (2.2) 471 (3.9) 75 (2.2)
Germany 555 (2.6) 72 (1.3) 559 (2.8) 71 (1.8) 550 (3.1) 72 (1.7)
Hong Kong SAR 558 (2.5) 59 (1.4) 562 (2.5) 57 (1.6) 553 (3.0) 61 (1.6)
Hungary 544 (2.8) 69 (1.9) 545 (3.5) 69 (2.1) 542 (2.8) 70 (2.1)
Iceland 516 (1.2) 73 (1.3) 525 (1.7) 70 (2.0) 508 (1.9) 75 (1.6)
Indonesia 409 (3.9) 78 (1.8) 418 (4.0) 76 (2.0) 401 (4.4) 79 (2.1)
Iran, Islamic Rep. of 428 (3.3) 96 (2.4) 435 (5.4) 96 (3.4) 422 (4.0) 96 (2.9)
Israel 507 (3.2) 95 (2.4) 513 (3.9) 92 (2.7) 502 (3.7) 97 (2.6)
Italy 544 (2.8) 70 (1.5) 546 (2.9) 69 (1.9) 542 (3.4) 70 (2.0)
Kuwait 337 (3.9) 107 (1.6) 368 (4.6) 100 (2.1) 306 (5.2) 104 (1.9)
Latvia 534 (2.5) 65 (1.5) 546 (2.7) 63 (1.6) 523 (3.0) 65 (1.9)
Lithuania 531 (1.9) 60 (1.0) 541 (2.2) 59 (1.4) 521 (2.4) 59 (1.1)
Luxembourg 565 (1.2) 73 (1.4) 567 (1.9) 72 (1.4) 564 (1.5) 73 (1.7)
Macedonia, Rep. of 446 (3.8) 98 (2.0) 456 (4.1) 97 (2.3) 437 (4.2) 97 (2.3)
Moldova, Rep. of 486 (2.9) 69 (1.4) 491 (3.0) 67 (1.6) 481 (3.4) 70 (1.7)
Morocco 336 (6.2) 104 (3.5) 345 (7.2) 101 (4.3) 329 (6.5) 106 (4.0)
Netherlands 551 (2.0) 61 (1.1) 553 (2.7) 61 (1.4) 549 (2.3) 61 (1.5)
New Zealand 524 (2.3) 86 (1.5) 535 (2.4) 81 (1.6) 513 (3.1) 90 (2.0)
Norway 502 (2.3) 72 (1.7) 510 (3.1) 70 (2.1) 494 (3.1) 73 (1.8)
Poland 516 (2.4) 76 (1.1) 525 (2.6) 75 (1.7) 507 (2.8) 76 (1.7)
Qatar 361 (1.2) 94 (0.9) 377 (2.0) 90 (1.4) 344 (1.6) 96 (1.4)
Romania 489 (5.2) 89 (3.1) 495 (5.2) 88 (3.9) 483 (5.9) 89 (3.0)
Russian Federation 562 (3.4) 70 (2.0) 570 (3.9) 69 (2.0) 554 (3.4) 70 (2.1)
Scotland 525 (2.8) 82 (1.4) 537 (3.8) 80 (1.8) 512 (3.0) 82 (1.7)
Singapore 560 (3.3) 85 (1.7) 570 (3.6) 81 (1.8) 552 (3.9) 87 (2.0)
Slovak Republic 529 (2.8) 75 (2.2) 534 (2.8) 73 (2.2) 524 (3.6) 76 (2.7)
Slovenia 519 (2.1) 72 (1.5) 527 (2.0) 68 (1.8) 511 (2.8) 74 (1.7)
South Africa 307 (5.3) 131 (3.4) 322 (6.0) 131 (4.0) 291 (5.4) 128 (3.6)
Spain 508 (2.5) 69 (1.6) 509 (2.8) 69 (2.1) 508 (2.7) 69 (1.7)
Sweden 550 (2.4) 69 (1.5) 558 (2.5) 67 (1.7) 544 (2.9) 70 (1.9)
Trinidad and Tobago 438 (4.7) 103 (2.8) 453 (5.0) 98 (3.3) 424 (5.6) 105 (3.2)
United States 532 (3.3) 78 (1.0) 537 (3.2) 75 (1.5) 527 (4.1) 80 (1.6)
( ) Standard errors appear in parentheses. Because results are rounded to the nearest
whole number, some totals may appear inconsistent.
335
PIRLS 2006
4th Grade
SOURCE: IEA Progress in International Reading Literacy Study (PIRLS) 2006