Topic > Essay on the analysis of the smartest children in the world

3). The graph compared the international test scores of students from fifteen different countries over a period of fifty years. The graph showed that “around the world, children's abilities rose and fell in mysterious and hopeful ways, sometimes in short periods of time” (p. 3). Discrepancies in student achievement led Ripley to investigate why, in just a handful of eclectic nations, virtually all students were learning critical thinking skills in math, reading, and science, as well as getting training to survive in the modern world.