3 So EMPLOYMENT PSYCHOLOGY affairs. Unemployment or a constant change of employ ment is the unhealthy or abnormal state of affairs. As such, it requires special treatment, just as physical illness requires special treatment. Now, whether the cases of unemployment or changing employment are due to the individual or to industry, it is the task of employment psychology to apply the necessary corrective treatment, just as it is the task of medicine to restore to health the individual who is ill. In so far as employment psychology duplicates in the field of employment what medicine does in the field of health, it contributes to the welfare both of the individual and of industry. In order, however, to achieve a still truer perspective of the place of employment psychology with reference to labor and industry, it is necessary to go still deeper into the problem of labor turnover. To begin with, employ ment psychology is not the only road to steady employ ment, any more than medicine is the only road to health. Just as good health is dependent upon healthful recrea tion, health-giving food, proper exercise, and an absorbing trade or profession, so steady employment is dependent upon other factors, more fundamental than a temporary correction. Steady employment is essentially dependent upon the conditions of industry. It is dependent upon the degree and quality of physical health, recreation, family life, social standing, and the advancement which the worker is able to achieve. But above all, it is dependent upon education. The one most universal and powerful factor in reducing labor turnover and in maintaining a healthy state of employment is education. Education is the most stabilizing influence known to man. This is true not only in so far as it affects labor turnover, but in its effects upon the turnover of social institutions, indus-