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 Table 408. Average 8th-grade science scores in content areas and average time spent studying out of school, by country: 2003

 ```________________________________________________________________________________________________________________________________________________________________________________ | Mean score by content area | Index of time students spend doing science homework (TSH) in a normal school week \1\ |___________________________________________________________________|________________________________________________________________________________ Country | | | | | | High TSH | Medium TSH | Low TSH | Life| Chemistry| Physics| Earth|Environmental|__________________________|_________________________|___________________________ | science| | | science| science| Percent| Average| Percent| Average| Percent| Average | | | | | | | achievement| | achievement| | achievement ___________________________|_____________|_____________|____________|____________|_____________|____________|_____________|____________|____________|_____________|_____________ 1 | 2 | 3 | 4| 5| 6| 7| 8| 9| 10| 11| 12 ___________________________|_____________|_____________|____________|____________|_____________|____________|_____________|____________|____________|_____________|_____________ | | | | | | | | | | | International average ..| 474 (0.5)| 474 (0.5)| 474(0.5)| 474(0.5)| 474 (0.5)| 13 0.2 | 458 1.3 | 44 0.2 | 466 0.9 | 43 0.3 | 467 0.9 |_____________|_____________|____________|____________|_____________|____________|_____________|____________|____________|_____________|_____________ Armenia ...................|\2\ 453 (3.3)|\2\ 466 (4.2)| 479(3.2)|\2\ 460(3.7)|\2\ 417 (4.4)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Australia .................|\3\ 532 (3.8)|\3\ 506 (3.8)|\3\ 521(3.7)|\3\ 531(4.2)|\3\ 536 (3.4)| 9(0.8)| 520 (6.4)| 35(1.6)| 530(3.3)| 56 (2.0)| 530 (4.4) Bahrain ...................|\2\ 445 (1.9)|\2\ 441 (2.6)|\2\ 443(2.0)|\2\ 440(2.4)|\2\ 439 (3.1)| 13(0.7)| 426 (4.1)| 56(1.3)| 441(2.5)| 31 (1.4)| 445 (2.6) Belgium (Flemish) .........|\3\ 526 (2.4)|\3\ 503 (2.0)|\3\ 514(2.5)|\3\ 508(2.5)|\3\ 523 (2.7)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Botswana ..................|\2\ 370 (2.7)|\2\ 348 (3.1)|\2\ 371(3.2)|\2\ 361(3.1)|\2\ 381 (3.3)| 14(0.7)| 378 (6.1)| 45(1.0)| 368(3.2)| 40 (1.2)| 366 (3.6) | | | | | | | | | | | Bulgaria ..................| 474 (5.2)| 482 (5.7)|\3\ 485(5.0)|\3\ 491(4.9)|\2\ 464 (5.0)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Chile .....................|\2\ 427 (2.7)|\2\ 405 (3.3)|\2\ 401(3.1)|\2\ 435(3.1)|\2\ 436 (2.9)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Chinese Taipei ............|\3\ 563 (3.1)|\3\ 584 (4.0)|\3\ 569(3.3)|\3\ 548(3.1)|\3\ 560 (3.1)|\4\ 12(1.2)|\4\ 588 (4.6)|\4\ 37(1.3)|\4\ 581(4.0)|\4\ 51 (2.1)|\4\ 561 (3.5) Cyprus ....................|\2\ 437 (2.2)|\2\ 443 (2.6)|\2\ 450(1.7)|\2\ 447(2.1)|\2\ 441 (2.3)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) England\5\ ................| ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | ‡ (†) | | | | | | | | | | | Egypt .....................|\2\ 425 (3.7)|\2\ 442 (3.8)|\2\ 414(4.1)|\2\ 403(4.4)|\2\ 430 (4.0)| 23(0.7)| 416 (4.4)| 64(0.8)| 436(4.0)| 13 (0.6)| 430 (6.6) Estonia ...................|\3\ 547 (2.4)|\3\ 552 (2.1)|\3\ 544(2.4)|\3\ 558(2.9)|\3\ 540 (2.2)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Ghana .....................|\2\ 256 (5.6)|\2\ 276 (6.6)|\2\ 239(5.4)|\2\ 254(5.6)|\2\ 267 (6.2)| 25(1.2)| 267 (8.5)| 54(1.0)| 262(6.0)| 22 (1.0)| 258 (8.1) Hong Kong, SAR\6,7\ .......|\3\ 551 (2.9)|\3\ 542 (2.6)|\3\ 555(2.8)|\3\ 549(2.9)|\3\ 555 (2.6)| 6(0.5)| 548 (4.6)| 43(1.4)| 563(2.9)| 50 (1.4)| 554 (3.9) Hungary ...................|\3\ 536 (2.7)|\3\ 560 (3.1)|\3\ 536(2.7)|\3\ 537(3.1)|\3\ 528 (2.9)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | | | | | | | | | | | Indonesia\8\ ..............|\2\ 424 (3.9)|\2\ 391 (3.8)|\2\ 430(4.0)|\2\ 431(3.8)|\2\ 454 (3.4)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Iran, Islamic Republic ....|\2\ 447 (2.6)|\2\ 445 (2.7)|\2\ 445(3.0)|\2\ 468(2.9)|\3\ 487 (2.1)| 8(0.7)| 451 (5.6)| 42(1.4)| 457(2.9)| 49 (1.7)| 452 (2.7) Israel\9\ .................|\3\ 491 (3.0)|\3\ 499 (3.4)|\3\ 484(2.9)|\3\ 485(3.0)|\3\ 486 (2.9)| 13(0.9)| 480 (4.7)| 43(1.6)| 485(4.3)| 44 (2.0)| 505 (3.4) Italy .....................|\3\ 498 (3.2)|\3\ 487 (3.3)| 470(3.2)|\3\ 513(3.2)|\3\ 497 (3.0)| 14(1.0)| 489 (5.9)| 41(1.1)| 487(3.7)| 45 (1.4)| 496 (3.7) Japan .....................|\3\ 549 (2.0)|\3\ 552 (2.1)|\3\ 564(1.9)|\3\ 530(2.1)|\3\ 537 (2.0)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | | | | | | | | | | | Jordan ....................| 475 (4.0)| 478 (4.4)|\2\ 465(3.8)| 472(4.0)|\3\ 492 (3.2)| 19(0.9)| 466 (4.2)| 52(1.2)| 478(3.9)| 29 (1.5)| 499 (5.0) Korea, Rep. of\10\ ........|\3\ 558 (1.6)|\3\ 529 (2.5)|\3\ 579(1.6)|\3\ 540(1.9)|\3\ 544 (1.4)| 4(0.4)| 549 (6.3)| 26(1.7)| 562(2.4)| 70 (2.0)| 559 (1.9) Latvia ....................|\3\ 511 (2.5)|\3\ 514 (3.2)|\3\ 512(2.4)|\3\ 514(2.8)|\3\ 508 (3.3)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Lebanon ...................|\2\ 360 (5.0)|\2\ 433 (4.9)|\2\ 419(4.0)|\2\ 395(4.0)|\2\ 374 (5.1)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Lithuania\8\ ..............| 517 (2.4)|\3\ 534 (2.3)|\3\ 519(2.7)|\3\ 512(2.7)|\3\ 507 (2.0)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | | | | | | | | | | | Macedonia\9\ ..............|\2\ 448 (3.8)|\2\ 467 (3.9)|\2\ 458(3.1)|\2\ 440(4.3)|\2\ 442 (3.7)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Malaysia ..................|\3\ 504 (3.7)|\3\ 514 (3.8)|\3\ 519(3.6)|\3\ 502(3.8)|\3\ 513 (3.2)| 20(1.0)| 513 (4.4)| 49(0.9)| 510(3.6)| 31 (1.3)| 510 (4.6) Moldova ...................|\2\ 466 (3.7)| 479 (3.9)| 479(3.7)| 475(4.0)|\2\ 454 (3.8)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Morocco\7,8\ ..............|\2\ 390 (2.6)|\2\ 402 (2.7)|\2\ 410(2.7)|\2\ 397(3.4)|\2\ 396 (3.3)|\11 14(0.7)|\11 391 (5.3)|\11 47(1.1)|\11 396 3.4 |\11 39 1.3 |\11 408 3.5 Netherlands\7\ ............|\3\ 536 (3.3)|\3\ 514 (2.6)|\3\ 538(3.4)|\3\ 534(3.2)|\3\ 539 (2.8)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | | | | | | | | | | | New Zealand ...............|\3\ 523 (5.1)|\3\ 501 (5.6)|\3\ 515(4.7)|\3\ 525(4.8)|\3\ 525 (3.9)| 10(1.3)| 519 (6.2)| 41(1.6)| 531(6.9)| 48 (2.0)| 518 (5.1) Norway ....................|\3\ 496 (2.5)|\3\ 485 (3.0)|\3\ 488(2.6)|\3\ 517(2.7)|\3\ 496 (2.2)| 13(0.8)| 485 (3.7)| 44(1.2)| 493(3.1)| 43 (1.7)| 503 (2.3) Palestinian National | | | | | | | | | | | Authority ..............|\2\ 435 (3.6)|\2\ 444 (3.9)|\2\ 432(3.6)|\2\ 439(3.0)|\2\ 444 (3.7)| 21(1.1)| 433 (4.4)| 56(1.3)| 442(3.4)| 23 (1.3)| 441 (4.8) Phillipines\12\ ...........|\2\ 387 (5.8)|\2\ 342 (6.1)|\2\ 380(4.7)|\2\ 377(5.7)|\2\ 403 (5.4)| 17(0.7)| 381 (7.5)| 50(0.8)| 379(5.7)| 33 (1.2)| 381 (7.2) Romania ...................| 471 (4.8)| 474 (4.9)| 473(4.1)| 469(5.2)| 472 (4.7)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | | | | | | | | | | | Russian Federation ........|\3\ 514 (3.3)|\3\ 527 (4.0)|\3\ 511(3.4)|\3\ 518(3.3)|\3\ 491 (3.2)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Saudia Arabia .............|\2\ 412 (3.9)|\2\ 382 (4.8)|\2\ 394(3.9)|\2\ 394(4.0)|\2\ 410 (3.8)| 8(0.7)| 382 (6.0)| 61(1.5)| 402(4.6)| 31 (1.7)| 403 (4.6) Scotland\7\ ...............|\3\ 512 (3.3)|\3\ 499 (3.2)|\3\ 515(3.0)|\3\ 515(3.8)|\3\ 511 (3.5)| 3(0.4)| 487(14.2)| 27(1.4)| 508(5.0)| 71 (1.5)| 517 (3.4) Serbia\8\ .................|\2\ 468 (2.6)| 474 (3.2)| 471(2.6)| 471(3.0)|\2\ 457 (2.4)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Singapore .................|\3\ 569 (4.0)|\3\ 582 (4.2)|\3\ 579(3.4)|\3\ 549(3.9)|\3\ 568 (3.8)| 18(0.7)| 595 (4.1)| 48(0.7)| 585 4.4 | 34 (0.9)| 564 (5.5) | | | | | | | | | | | Slovak Republic ...........|\3\ 514 (2.9)|\3\ 519 (3.6)|\3\ 519(2.9)|\3\ 523(3.3)|\3\ 509 (2.8)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Slovenia ..................|\3\ 521 (2.2)|\3\ 532 (2.6)|\3\ 509(1.8)|\3\ 523(2.2)|\3\ 515 (2.2)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) South Africa ..............|\2\ 250 (6.0)|\2\ 285 (5.9)|\2\ 244(6.2)|\2\ 247(6.3)|\2\ 261 (6.6)| 17(0.7)| 234 (9.6)| 52(0.9)| 246(7.9)| 32 (0.9)| 263 (7.4) Sweden ....................|\3\ 528 (2.7)|\3\ 526 (2.6)|\3\ 525(2.9)|\3\ 532(3.3)|\3\ 499 (2.6)| --- (†) | --- (†) | --- (†) | --- (†) | --- (†) | --- (†) Tunisia ...................|\2\ 417 (2.0)|\2\ 413 (2.5)|\2\ 386(2.5)|\2\ 408(2.0)|\2\ 436 (2.2)| 9(0.6)| 398 (4.0)| 35(0.9)| 400(2.8)| 56 (1.2)| 411 (2.6) United States\9\ ..........|\3\ 537 (3.0)|\3\ 513 (3.2)|\3\ 515(2.9)|\3\ 532(2.9)|\3\ 533 (2.9)| 13(0.7)| 519 (4.3)| 43(1.4)| 530(3.4)| 45 (1.7)| 531 (3.7) ___________________________|_____________|_____________|____________|____________|_____________|____________|_____________|____________|____________|_____________|_____________```
 ---Not available. †Not applicable. ‡Reporting standards not met. \1\Index based on students' reports on the frequency and amonut of science homework they are given. Higher level indicates more than 30 minutes of science homework assigned 3-4 times a week. Lower level indicates no more than 30 minutes of science homework no more than twice a week. Medium level includes all other possible combinations of responses. \2\Country average significantly lower than international average. \3\Country average significantly higher than international average. \4\Students were asked about natural science; data pertain to grade 8 physics/chemistry course. \5\Did not satisfy guidelines for sample participation rates. \6\SAR=Special Administrative Region. \7\Met guidelines for sample participation rates only after replacement schools were included. \8\National Desired Population does note cover all of International Desired Population. \9\National Defined Population covers less than 90% of National Desired Population. \10\Korea tested the same cohort of students as other countries, but later in 2003, at the beginning of the next school year. \11\Met guidelines for sample participation rates only after replacement schools were included. \12\Students study only biology at grade 8. NOTE: Data are for 8th grade or equivalent in most countries. Detail may not sum to totals because of rounding. Standard errors appear in parentheses. SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 2003, TIMSS 2003 International Mathematics Report, by Ina V.S. Mullis et al. (This table was prepared April 2005.)

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