Edward Titchener was concerned primarily with the study of:

Which of the following would be an example of Csikszentmihalyi's idea of flow?

A. You begin reading from The Personality Puzzle, and before you know it, three happy hours have flown by in the blink of an eye. B. You spend three productive hours taking notes on a book required for class. C. You sign up to tutor high-schoolers in order to give something back to your community. D. You put extra effort into your psychology classes all semester because you know it will help you get ahead in the future.

. Who was Doddy and how did Darwin study him?

What will be an ideal response?