An IERI – International Educational Research Institute Journal
Study, cycle and target population | Number of participating countries | Countries failing participation rate requirements* at | |||||
---|---|---|---|---|---|---|---|
School level (before replacement) | School level (after replacement) | Within schools (individual level) | |||||
% | Count | % | Count | % | Count | ||
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 |