Programme for International Student Assessment 2009

Expected completed levels

Data file: INT_STQ09_DEC11

Overview

Valid: 176737

Invalid: 339221

Type: Discrete

Decimal: 0

Start: 304

End: 304

Width: 1

Range: 1 - 2

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Tick	42438	24%
2	No Tick	134299	76%
7	N/A	339119
8	Invalid	99
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.