Programme for International Student Assessment 2009

Expected completed levels

Data file: INT_STQ09_DEC11

Overview

Valid: 171735

Invalid: 344223

Type: Discrete

Decimal: 0

Start: 300

End: 300

Width: 1

Range: 1 - 2

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Tick	56222	32.7%
2	No Tick	115513	67.3%
7	N/A	344112
8	Invalid	108
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.