Average adjusted test scores standardized across international assessments like PISA and TIMSS, national tests, and regional exams. The data provides comparable metrics over time, across subjects, and schooling levels for multiple countries. It is produced by Education Statistics, covering approximated 5-year intervals from 1965 to 2010.
Use Cases
- Analyze trends in adjusted_test_score over time for specific countries.
- Compare adjusted_test_score across countries participating in international assessments.
- Model the relationship between adjusted_test_score and other national education indicators.
- Benchmark regional assessment scores against international test scores using the adjustment ratio.
- Study performance disparities across schooling_levels using standardized scores.
Strengths
- Scores are standardized across multiple international and regional assessments, enhancing comparability.
- Data spans a 45-year period from 1965 to 2010, providing longitudinal coverage.
- Methodology adjusts scores across subjects, schooling levels, and tests to create a unified metric.
Limitations
- Data is approximated to nearest 5-year intervals, reducing temporal granularity.
- Specific row counts, column details, and sample sizes are unknown.
- The transformation relies on ratio comparisons which may introduce methodological assumptions.
Provenance
- Source
- Education Statistics (likely within the World Bank).
- Collection Method
- Calculated by creating ratios between U.S. scores on international tests and U.S. NAEP scores, then applying to averaged international and regional test scores.
- Time Range
- 1965 to 2010.
- Freshness
- null
- Geography
- Multiple countries participating in international and regional assessments.