Fig. 2From: Comparison of disengagement levels and the impact of disengagement on item parameters between PISA 2015 and PISA 2018 in the United StatesDifference between the percentage of disengagement in 2015 and 2018. The difference is the percentage of disengagement in 2015 subtracted from the percentage in 2018. Source: Organisation for Economic Co-operation and Development (OECD), Programme for International Student Assessment (PISA), 2015 and 2018 Mathematics AssessmentBack to article page