CHAPTER 4 SAMPLE DESIGN TARGET POPULATION AND …

1 CHAPTER 4 SAMPLE DESIGN TARGET POPULATION AND OVERVIEW OF THE SAMPLING DESIGN The desired base PISA TARGET POPULATION in each country consisted of 15-year-old students attending educational institutions in grades 7 and higher. This meant that countries were to include: 15-year-olds enrolled full-time in educational institutions; 15-year-olds enrolled in educational institutions who attended only on a part-time basis; students in vocational training programmes, or any other related type of educational programmes; and students attending foreign schools within the country (as well as students from other countries attending any of the programmes in the first three categories). It was recognised that no testing of 15-year-olds schooled in the home, workplace or out of the country would occur and therefore these 15-year-olds were not included in the international TARGET POPULATION .

Students not assessable for other reasons as agreed upon. A nationally-defined within school exclusion category was permitted if agreed upon by the International Contractor. A specific subgroup of students (for example students with severe dyslexia, dysgraphia, or dyscalculia) could be identified for whom exclusion was necessary but for whom the

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  Design, Students, Samples, Population, Targets, Dyscalculia, Dyslexia, Sample design target population and

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