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The Hanen Centre has used this back-and-forth as the foundation of their teaching for over four decades. Check out their take on the same study:

http://www.hanen.org/Helpful-Info/Articles/power-turn-taking...

We took one of the Hanen Centre parent education courses (“It takes two to talk”). I can’t recommend it highly enough - best training I’ve ever received:

http://www.hanen.org/Programs/For-Parents/It-Takes-Two-to-Ta...