Programme for International Student Assessment 2009

Expected completed levels

Data file: INT_STQ09_DEC11

Overview

Valid: 128109

Invalid: 387849

Type: Discrete

Decimal: 0

Start: 303

End: 303

Width: 1

Range: 1 - 2

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Tick	23550	18.4%
2	No Tick	104559	81.6%
7	N/A	387744
8	Invalid	102
9	Miss	3

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.