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 .

The desired base PISA target population in each country consisted of 15-year-old students ... assigned to mutually exclusive groups based on school characteristics called explicit strata, ... although with agreement countries could use alternative values. The sample size within schools is prescribed, within limits, in the PISA Technical ...

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  Design, Samples, Value, Population, Characteristics, Targets, Sample design target population and

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