Academic achievement.

4 catalogued instruments are currently grouped under this construct, in Large-scale assessment.

This grouping is editorial and provisional. It is derived from what each entry says it measures, it has not been reviewed instrument by instrument, and 195 catalogued instruments are not yet grouped under any construct. Treat the list as a starting point rather than a complete answer, and read each entry for what it actually covers.

• TIMSS - Trends in International Mathematics and Science Study

  Large-scale assessment. Rotated block design; several hundred items per grade and subject per cycle. mixed.

• PIRLS - Progress in International Reading Literacy Study

  Large-scale assessment. Rotated passage-and-item block design; 12 to 18 reading passages per cycle. mixed.

• ICCS - International Civic and Citizenship Education Study

  Large-scale assessment. Rotated cognitive test blocks plus an extensive set of attitude and engagement scales. mixed.

• NAEP - National Assessment of Educational Progress

  Large-scale assessment. Large rotated item pool per subject administered under balanced incomplete block spiralling. mixed.

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