A wider vocabulary correlates with stronger job performance.

Harvard Education Review

Vocabulary size correlates closely with general intelligence.

JOA Psychology

Expanding vocabulary helps bridge socioeconomic divides.

Nature.com

Rich vocabulary enhances clarity of thought and action.

Cognitive Science Quarterly

Stronger vocabulary equals faster learning and comprehension.

Yale Linguistics

Improving vocabulary supports long-term career advancement.

UC Career Study

Vocabulary depth reflects accumulated knowledge and expertise.

NYT