1. Outline the chapter.
2. Which of the acts performed in eating breakfast are instinctive, which are matters of habit, and which are partly the one and partly the other?
3. Compare your mental attitude in approaching an unfamiliar and a familiar task.
4. How does the performance of the expert in swimming or dancing, etc., differ from the performance of the beginner? Analyze out the points of superiority.
5. Show that the element of trial and error is present in (a) the child's learning to pronounce a word, and (b) learning "how to take" a person so as to get on well with him.
6. Why is it that our handwriting, though exercised so much, is apt to grow worse rather than better, while on the contrary our spelling is apt to improve?
7. How would you rate your efficiency in study? Is it near your physiological limit, on a plateau, or in a stage of rapid improvement?
8. A practice experiment. Take several pages of uniform printed matter, and mark it off into sections of 15 lines. Take your time for marking every word in one section that contains both e and r. The two letters need not be adjacent, but must both be present somewhere In the word. Having recorded your time for this first section, do the same thing with the next section, and so on for 12 sections. What were you able to observe, introspectively, of your method of work and changes with practice. From the objective observations, construct a practice curve.
9. Write brief explanations of the following terms:

practice
habit
higher unit
overlapping
plateau
physiological limit
insight
trial and error
negative adaptation
substitute stimulus
substitute response
conditioned reflex{331}