An IERI – International Educational Research Institute Journal
Table 6 The average number (n) of not-reached items and comparison of position effects in PISA 2012 mathematics between the complete sample and the reduced sample with students with not-reached item responses excluded in three selected countries
From: Predictors of individual performance changes related to item positions in PISA assessments
Country | n | Complete sample | Reduced sample | ||
|---|---|---|---|---|---|
Cluster | SE | Cluster | SE | ||
Colombia | 5.04 | −.138 | .007 | −.107 | .008 |
Peru | 5.80 | −.122 | .008 | −.081 | .010 |
Uruguay | 4.59 | −.136 | .009 | −.117 | .010 |