ICCS 2009 Technical Report - IEA

Table B.18.2: Allocation of teacher sample in IrelandSchool Participation Status—Teacher SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacement≤ 40 students— 2 0 2 0 0 0community/comprehensive≤ 40 students— 4 0 3 1 0 0secondary≤ 40 students— 6 0 6 0 0 0vocational41–80 students— 4 0 4 0 0 0community/comprehensive41–80 students—secondary 25 0 19 0 3 341–80 students—vocational 13 0 11 0 0 281–170 students— 20 0 17 0 0 3community/comprehensive81–170 students—secondary 62 0 47 1 2 1281–170 students—vocational 19 0 12 1 1 5≥ 171 students 10 1 7 0 0 2Total 165 1 128 3 6 27Note: Seven schools were regarded as non-participating because the within-school participation rate was below 50%.B.19. Italy• Very few (fewer than 10 students in the target grade) were excluded at the school level.• No explicit stratification was performed.• No implicit stratification was applied.Table B.19.1: Allocation of student sample in ItalySchool Participation Status—Student SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementNone 172 0 160 11 1 0Total 172 0 160 11 1 0Table B. 19.2: Allocation of teacher sample in ItalySchool Participation Status—Teacher SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementNone 172 0 157 10 1 4Total 172 0 157 10 1 4Note: Three schools were regarded as non-participating because the within-school participation rate was below 50%.Appendices299