The Third International Math and Science Study
A)proved conclusively that the academic performance of American students is among the worst in the world
B)proved conclusively that the academic performance of American students is among the best in the world
C)proved conclusively that the academic performance of American students is about the same as the academic performance of American students in other rich industrialized countries
D)proved little because of sampling problems and the different kinds of school systems in different countries

Question

Quizplus · Accepted Answer

The Third International Math and Science Study had sampling problems, as the sample chosen may not have been representative of the entire population, and different countries have varying school systems. Therefore, the study could not conclusively prove whether American students performed the worst, the best or the same as other rich industrialized countries.