The teacher is oftener perhaps brought to the verge of impatience by scholars of this class than by any others.
3.

Following, again, from these characteristics, there is a third remark to be made about the youth of this type; and it bears upon a peculiarity which it is very hard for the teacher to estimate and control.

These motor boys and girls have what I may characterize as _fluidity of the attention_.

By this is meant a peculiar quality of mind which all experienced teachers are in some degree familiar with, and which they find baffling and unmanageable.
By "fluidity" of the attention I mean the state of hurry, rush, inadequate inspection, quick transition, all-too-ready-assimilation, hear-but-not-heed, in-one-ear-and-out-the-other habit of mind.

The best way to get an adequate sense of the state is to recall the pupil who has it to the most marked degree, and picture his mode of dealing with your instructions.