Although self-report surveys are widely used for data collection, data quality can vary across populations because certain groups are more likely to engage in insufficient effort responding (IER). Our study examined how different levels of the educational system--student groups, schools, and cultural contexts--affect data quality due to IER, using…

This paper employs a Critical Cultural Political Economy of Education perspective to examine how, why, and to what effect the English proficiency rankings of a for-profit edu-business acquire the authority often granted to international large-scale assessments. Analysing the EF English Proficiency Index in the context of Ecuador illustrates how…