ICCS 2009 Technical Report - IEA

Table B.8.2: Allocation of teacher sample in the Czech RepublicSchool Participation Status—Teacher SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementGymnázium 18 0 17 1 0 0Základní škola 132 0 106 18 5 3Total 150 0 123 19 5 3B.9. Denmark• Special schools and schools for severely physically or mentally disabled students wereexcluded at the school level.• No explicit stratification was performed.• Implicit stratification was applied by region (a municipality code number), giving a total of18 implicit strata.Table B.9.1: Allocation of student sample in DenmarkSchool Participation Status—Student SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementNone 240 12 121 43 29 35Total 240 12 121 43 29 35Table B.9.2: Allocation of teacher sample in DenmarkSchool Participation Status—Teacher SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementNone 240 12 60 32 21 115Total 240 12 60 32 21 115Note: 19 schools were regarded as non-participating because the within-school participation rate was below 50%.292 ICCS 2009 technical report