Programme for International Student Assessment 2009

Expected completed levels

Data file: INT_STQ09_DEC11

Overview

Valid: 171487

Invalid: 344471

Type: Discrete

Decimal: 0

Start: 301

End: 301

Width: 1

Range: 1 - 2

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Tick	36476	21.3%
2	No Tick	135011	78.7%
7	N/A	344393
8	Invalid	75
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.