The scientific achievements of sociology have been disappointing. Sociology is properly a utilitarian science. The five methods of sociology.-In it five inductive methods of seeking truth may be considered. The common-sense method, consisting in generalizing from data which chance to come to hand, has been the most prominent. The historical method uses documents as its data. The museum or census method, having classification as its goal, has been used extensively in social surveys and government investigations. The laboratory or experimental method is restricted in sociological research by the length of time required for social experiments, by the number and complexity of the variables involved, and by the difficulty of controlling human variables. Superiority of the statistical method.-The statistical method consists in applying rigidly objective methods, aided by mathematics, to the interpretation of the social phenomena which spontaneously occur. In the form of simple comparisons the method has been wi...