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

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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	Total hours of instructional time per week				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