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Table C.3.02a. IEA: Trends in weekly intended and implemented instructional time for TIMSS fourth-grade science, by country: 2007

  Intended time prescribed in the curriculum   Time implemented in schools
  Total hours of instructional time per week   Science instructional time as a percent of total instructional time   Total hours of instructional time per week   Science instructional time as a percent of total instructional time
Jurisdiction     2007 hours       Difference from 2003   s.e.     2007 percent       Difference from 2003   s.e.  
International average 23   9   24       #       8       #    
                                           
Algeria 32   6   30             6 1         
Armenia 23   10   27 2          9          
Australia 27   8   25       #       5 2      #    
Austria 21   15   21             12          
Chinese Taipei 20   14   23       -1 ! 0.4   9 1      #    
                                           
Colombia 25   3  27             13 1         
Czech Republic 18   8   19             5          
Denmark 20   9   21 1            7 2         
El Salvador 19   20   24             15          
England 24   10   25 1      1 ! 0.4   7          
                                           
Georgia 23   5   19 1            5 2         
Germany 21   18   22             13 1         
Hong Kong SAR 23   13   27 1      #       7 2         
Hungary 17   9   20 1      -4   0.3   8 2      2   0.2
Iran, Islamic Rep. of 21   13   21 2      -3   0.4   12          
                                           
Italy 30   15   30 1      #       6 1      -1   0.3
Japan 20   10   22       -5   0.3   9       2   0.2
Kazakhstan 20   8   22             7          
Kuwait 30   10   26                      
Latvia 17   8   20       -3   0.5   7 1         
                                           
Lithuania 18   4   20       -3   0.3   8       2   0.2
Mongolia 22   5                        
Morocco 28   5   28 1      #       5 2         
Netherlands 3  3  27 1      #       3 2      #    
New Zealand 3  3  24       #       5 2      -2   0.5
                                           
Norway 19   7   23       #       5 1      1 ! 0.3
Qatar 26   8   31                      
Russian Federation 15   5   19 2      -4   0.3   6 2      2   0.2
Scotland 25   5   25       #       5 1         
Singapore 25   8   26       -5   0.2   9       2   0.1
                                           
Slovak Republic 20   10   21             7          
Slovenia 18   13   19       -3   0.2   12 1      3   0.3
Sweden 3  3  24             6 1         
Tunisia 25   8   29 1      #       8 2         
Ukraine 16   4   18             5          
                                           
United States 32   7   30       1   0.3   8 1      #    
Yemen 23   9   24             10 1         
Benchmarking Participants                                          
Alberta, Canada 25   15   27             13          
British Columbia, Canada 24   3  24             8 2         
Dubai, UAE 24   8   28 1                     
Massachusetts, US 25   3  28             8 1         
Minnesota, US 29   3   29             7 1         
                                           
Ontario, Canada 25   3  26       #       9 1         
Quebec, Canada 25   4   25       1   0.2   5 1         
— Not available.
† Not applicable.
# Rounds to zero.
! Interpret data with caution. (Estimates are unstable.)
‡ Reporting standards not met.
∆ 2007 significantly higher.
▼2007 significantly lower.
1Data are available for at least 70 but less than 85 percent of the students.
2Data are available for at least 50 but less than 70 percent of the students.
3Not prescribed by the curriculum.
4Data are available for less than 50 percent of the students.
NOTE: Intended instructional time provided by National Research Coordinators. Implemented instructional time for science provided by teachers, and total instructional time provided by schools. For Norway, hours of intended instructional time is only an estimate and only prescribed for grades 1-7 and 8-10, not for single grades. Standard errors are 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 5.2. Chestnut Hill, MA: Boston College
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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education