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Table 1 Country sample size

From: Student test-taking effort in low-stakes assessments: evidence from the English version of the PISA 2015 science test

Country Sample size
All forms Selected forms
Australia (AUS) 14,530 10,193
Canada (CAN) 15,444 10,824
United Kingdom (GBR) 13,818 9623
Ireland (IRL) 5638 5638
New Zealand (NZL) 4520 3170
United States (USA) 5712 3974