Over the Past Two Decades, More Than 50 Nations Have

Multiple Choice

Over the past two decades, more than 50 nations have participated in at least one massive international test of educational achievement. Longitudinal data finds that _____.

A) if achievement rises, the national economy declines
B) if achievement declines, the national economy advances
C) if achievement rises, the national economy advances
D) there is no relation between achievement and the national economy