CHAPTER XIII

HABIT FORMATION: THE LABYRINTH HABIT

The labyrinth method--Problems--Preliminary tests--Comparison of the
behavior of the dancer in a maze with that of the common mouse--Evolution
of a labyrinth method--Records of time and records of errors--Simple and
effective method of recording the path--Curves of habit formation--Regular
and irregular labyrinths--Points for a standard labyrinth--Values and
defects of the labyrinth method.


CHAPTER XIV

HABIT FORMATION: THE DISCRIMINATION METHOD

Quantitative _versus_ qualitative results--Motives--Precautions--
Preference--Results of systematic habit-forming experiments--Curves of
habit formation--Meaning of irregularity in curve--Individual
differences--Comparison of curves for discrimination habits with those for
labyrinth habits--Averages--The index of modifiability as a measure of
docility--Reliability of the index.


CHAPTER XV

THE EFFICIENCY OF TRAINING METHODS

Importance of measuring the efficiency of educational methods--Rapidity of