*[https://grok.com/share/c2hhcmQtNA%3D%3D_1c18f2ea-9da8-4c74-9f62-730fe04cd2f6 Statistically, how much will improving one’s writing ability improve and verbal/speaking ability improve one's thinking ability?], AI: "Overall, both skills contribute to thinking ability gains, with writing yielding moderate percentile boosts in critical thinking (5-10%) and speaking/L2 proficiency offering long-term cognitive protection (e.g., dementia delay) and executive function enhancements, though exact "how much" depends on intervention intensity, age, and measurement." | *[https://grok.com/share/c2hhcmQtNA%3D%3D_1c18f2ea-9da8-4c74-9f62-730fe04cd2f6 Statistically, how much will improving one’s writing ability improve and verbal/speaking ability improve one's thinking ability?], AI: "Overall, both skills contribute to thinking ability gains, with writing yielding moderate percentile boosts in critical thinking (5-10%) and speaking/L2 proficiency offering long-term cognitive protection (e.g., dementia delay) and executive function enhancements, though exact "how much" depends on intervention intensity, age, and measurement." |