Although the body of research examining the relationship between IQ and adult career success is large, nearly all of it is concentrated __________.

Question

Quizplus · Accepted Answer

The sentence states that the body of research is concentrated, which suggests that the research exists primarily in a specific location. The answer choices suggest that location is either developed or non-Western countries, or solely/exclusively in or outside of the United States. The sentence does not indicate that the research is solely in the United States or solely outside of the United States, so we can eliminate choices C and D. Between choices A and B, the most reasonable answer is A because developed countries are likely to have greater resources for research and a larger body of existing data to draw from.

Although the Body of Research Examining the Relationship Between IQ