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Table C.3.13a. IEA: Percentage distribution and average science achievement scores of fourth-grade students as reported in TIMSS, by the index of time students spend doing science homework (TSH) in a normal week and country: 2007
Country, ordered by high TSH High TSH   Medium TSH   Low TSH
Percent of students   Average
achievement
  Percent of students   Average
achievement
  Percent of students   Average
achievement
Percent   s.e.   Score s.e.   Percent s.e.   Score s.e.   Percent s.e.   Score s.e.
International Avg. 9   0.1   446 2.2   35 0.2   474 1.2   57 0.3   488 1.2
                                     
Colombia1 23   1.1   423 6.5   55 1.2   407 5.5   22 1.4   426 6.1
Yemen1 21   2.0   232 11.3   57 2.6   222 7.5   22 2.6   189 15.2
El Salvador1 20   1.0   403 5.0   59 1.3   398 4.1   21 1.4   413 4.2
Tunisia1 19   1.4   357 9.8   50 1.5   347 6.7   31 1.8   347 8.9
Singapore 17   0.7   585 5.7   47 0.9   587 4.9   36 0.9   594 4.5
                                     
Algeria1 17   1.1   364 9.3   47 1.4   359 9.9   36 1.7   369 6.6
Qatar2 16   0.6   287 7.3   54 0.8   306 3.2   30 0.7   327 3.1
Italy 15   1.2   525 5.6   48 2.2   535 3.7   36 2.7   546 4.5
Kazakhstan 15   1.5   512 13.6   45 2.6   529 6.0   41 3.0   545 5.1
Latvia 13   1.0   527 5.0   43 1.1   541 2.8   44 1.4   554 3.3
                                     
Slovenia 13   0.8   505 4.9   66 1.2   523 2.2   21 1.2   524 3.4
Morocco1 13   1.0   289 9.1   46 2.2   305 7.8   42 2.2   328 9.3
Armenia1 12   0.9   476 8.4   51 1.6   495 7.5   37 1.7   494 6.5
Iran, Islamic Rep. of 12   0.9   438 8.7   44 1.5   435 5.4   45 2.0   437 4.7
Kuwait1 12   0.8   328 10.1   54 1.5   361 4.5   35 1.5   390 6.7
                                     
Georgia 10   1.1   415 11.8   45 1.9   415 4.8   46 2.0   440 5.2
Ukraine 8   0.7   449 6.3   40 1.3   471 3.8   52 1.4   490 3.7
Lithuania 8   0.5   496 4.8   35 1.0   511 3.3   57 1.2   524 2.7
Russian Federation 6   0.7   508 9.6   34 1.3   539 5.2   60 1.6   558 4.9
Hungary 6   0.5   520 6.8   33 1.2   532 4.1   61 1.3   549 3.7
                                     
Hong Kong SAR 5   0.5   547 8.8   43 1.8   562 4.4   52 2.0   554 3.3
Germany1 4   0.4   512 6.5   30 1.3   527 3.4   66 1.4   536 2.6
Slovak Republic 3   0.3   498 10.2   24 1.0   513 4.5   73 1.2   540 3.7
New Zealand 3   0.3   463 12.6   23 1.0   503 4.0   74 1.1   515 3.0
United States 3   0.2   502 8.1   23 1.0   532 3.3   75 1.1   549 2.8
                                     
Chinese Taipei 2   0.3     19 0.9   538 4.2   79 1.0   567 1.9
Denmark 2   0.3     13 1.0   501 4.8   85 1.0   522 2.9
Austria 2   0.3     14 0.9   493 6.0   84 1.0   537 2.7
Norway 1 ! 0.3     16 1.2   467 5.4   83 1.3   486 3.4
Czech Republic 1 ! 0.3     16 0.9   496 5.6   83 0.9   523 3.2
                                     
Australia 1   0.2     17 1.5   520 6.9   81 1.6   536 3.1
Sweden 1   0.2     19 1.1   514 5.4   80 1.2   533 2.7
Japan 1   0.2     15 1.1   539 3.9   84 1.2   551 2.2
England 1   0.2     16 1.4   540 8.4   83 1.4   547 2.8
Scotland 1   0.1     10 0.9   490 5.8   89 0.9   507 2.4
                                     
Netherlands 1   0.2     9 1.0   509 5.5   91 1.1   527 2.8
Benchmarking Participants                                    
Dubai, UAE1 10   1.0   450 7.7   37 1.4   461 4.3   53 1.6   488 4.7
Alberta, Canada 3   0.4   503 11.4   22 1.2   532 4.9   75 1.5   550 3.6
British Columbia, Canada 3   0.4   496 10.2   24 1.4   529 5.3   73 1.5   544 3.0
Ontario, Canada 3   0.5   527 15.9   26 1.4   522 5.7   71 1.6   544 3.8
Minnesota, US 2   0.3     16 2.1   537 8.4   83 2.3   560 5.6
                                     
Massachusetts, US 1 ! 0.3     17 1.6   572 10.2   82 1.7   575 3.8
Quebec, Canada 1   0.2     12 1.0   511 5.4   87 1.0   522 2.5
† Not applicable.
! Interpret data with caution, estimates are unstable. The coefficient of variation is greater than or equal to3 but less than5.
‡ Reporting standards not met. Data are insufficient to report achievement
1 Data are available for at least 70 percent but less than 85 percent of students.
2 Data are available for at least 50 percent but less than 70 percent of students.
NOTE: Index of time students spend doing science homework (TSH) based on students’ reports on the frequency of science homework they are given and the amount of time they spend on that homework. High level indicates science homework assigned at least 3 or 4 times a week and students spend more than 30 minutes on that homework. Low level indicates science homework assigned no more than twice a week and students spend no more than 30 minutes on that homework. Medium level includes all other possible combinations of responses. Standard error is noted by s.e.
SOURCE: Data from the International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 2007. Mullis, I.V.S., Martin, M.O., and Foy, P. (2008). TIMSS 2007 International Science Report: Findings from IEA's Trends in International Mathematics and Science Study at the Fourth and Eighth Grades, exhibit 4.7. Chestnut Hill, MA: Boston College.
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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education