Reasoning ability is (little more than) working-memory capacity?!

Research title: Reasoning ability is (little more than) working-memory capacity?!

Researchers: Patrick C. Kyllonen and Raymond E. Christal

Published: Intelligence

This paper examined the relationship between different measures of reasoning ability and working memory. Using various assessments for both functions, the researchers found a high correlation between reasoning ability and working memory capacity. The study shed a lot of light on the nature of reasoning and the importance of working memory.