Studies with school students comprising the target population
|
ICCS 2009—grade 8 students
|
42
|
33.3
|
14
|
14.3
|
6
|
0.0
|
0
|
ICILS 2013—grade 8 students
|
21
|
33.3
|
7
|
23.8
|
5
|
9.5
|
2
|
PIRLS 2006—grade 4 students
|
47
|
12.8
|
6
|
4.3
|
2
|
4.3
|
2
|
PIRLS 2011—grade 4 students
|
58
|
13.8
|
8
|
1.7
|
1
|
1.7
|
1
|
TIMSS 2007—grade 4 students
|
43
|
20.9
|
9
|
7.0
|
3
|
0.0
|
0
|
TIMSS 2007—grade 8 students
|
56
|
14.3
|
8
|
7.1
|
4
|
0.0
|
0
|
TIMSS 2011—grade 4 students
|
50
|
20.0
|
10
|
6.0
|
3
|
0.0
|
0
|
TIMSS 2011—grade 8 students
|
59
|
6.8
|
4
|
3.4
|
2
|
0.0
|
0
|
TIMSS advanced 2008
|
Advanced mathematics students
|
10
|
10.0
|
1
|
10.0
|
1
|
0.0
|
0
|
TIMSS advanced 2008
|
Physics students
|
9
|
22.2
|
2
|
0.0
|
0
|
11.1
|
1
|
Overall
|
395
|
17.5
|
69
|
6.8
|
27
|
1.5
|
6
|
Studies with adults comprising the target population
|
ICCS 2009—grade 8 teachers
|
37
|
37.8
|
14
|
29.7
|
11
|
21.6
|
8
|
ICILS 2013—grade 8 teachers
|
21
|
42.9
|
9
|
38.1
|
8
|
28.6
|
6
|
SITES 2006—math teachers
|
22
|
59.1
|
13
|
40.9
|
9
|
22.7
|
5
|
SITES 2006—science teachers
|
22
|
59.1
|
13
|
40.9
|
9
|
31.8
|
7
|
TEDS-M 2008—future primary
| | | | | | | |
Math teachers**
|
16
|
6.3
|
1
|
6.3
|
1
|
37.5
|
6
|
Secondary math teachers**
| | | | | | | |
TEDS-M 2008—future lower
|
16
|
31.3
|
5
|
31.3
|
5
|
56.3
|
9
|
TEDS-M 2008
| | | | | | | |
University educators**
|
16
|
37.5
|
6
|
37.5
|
6
|
37.5
|
6
|
Overall
|
150
|
40.7
|
61
|
32.7
|
49
|
31.3
|
47
|