How international tests fail to inform policy: The unsolved mystery of Australia's steady decline in PISA scores

- Argues that explaining national declines in test scores is as important as explaining increases.
- Interviews with Australian experts on reasons for Australia's large decline in PISA scores.
- Uses microdata from PISA and TIMSS scores to test expert explanations for decline.
- Finds that decline is pervasive across Australian states and social class groups.
- Finds that there is no clear explanation for the large decrease in Australia's PISA scores.