h the observation of children at work in the school. The problems
suggested for observation and introspection will, if mastered, do much
to render practical and helpful the truths of psychology.

1. Think of your home as you last left it. Can you see vividly just how
it looked, the color of the paint on the outside, with the familiar form
of the roof and all; can you recall the perfume in some old drawer, the
taste of a favorite dish, the sound of a familiar voice in farewell?

2. What illustrations have you observed where the mental content of the
moment seemed chiefly _thinking_ (knowledge process); chiefly _emotion_
(feeling process); chiefly _choosing_, or self-compulsion (willing
process)?

3. When you say that you remember a circumstance that occurred
yesterday, how do you remember it? That is, do you see in your mind
things just as they were, and hear again sounds which occurred, or feel
again movements which you performed? Do you experience once more the
emotions you then felt?

4. What forms of expression most commonly reveal _thought_; what reveal
emotions? (i.e., can you tell what a child is _thinking about_ by the
expression on his face? Can you tell whether he is _angry_,
_frightened_, _sorry_, by his face? Is speech as necessary in expressing
feeling as in expressing thought?)

5. Try occasionally during the next twenty-four hours to turn quickly
about mentally and see whether you can observe your thinking, feeling,
or willing in the very act of taking place.

6. What becomes of our mind or consciousness while we are asleep? How
are we able to wake up at a certain hour previously determined? Can a
person have absolutely _nothing_ in his mind?

7. Have you noticed any children especially adept in expression? Have
you noticed any very backward? If so, in what form of expression in each
case?

8. Have you observed any instances of expression which you were at a
loss to interpret (remember that "expression" includes every form of
physical action, voice, speech, face, form, hand, etc.)?

CHAPTER II

ATTENTION

How do you rank in mental ability, and how effective are your mind's
grasp and power? The answer that must be given to these questions will
depend not more on your native endowment than on your skill in using
attention.

1. NATURE OF ATTENTION

It is by attention that we gather and mass our mental energy upon the
critical and important points in our thinking. In the last chapter