Tests of measurement invariance are essential to determining whether individual scores or group averages are comparable across populations. While international comparisons of mean IQ scores are common, tests of measurement invariance for intelligence test batteries (necessary for comparisons to be empirically supported) are rare. In this study,…

Educational policies and practices are influenced by cultural, political, and economic factors, and this is also true of specialized educational approaches such as gifted education. Factors such as a country's cultural tendency toward egalitarianism or meritocracy, whether the political system is centralized or decentralized, and the degree to…