ABSTRACT
In this and the following chapters a survey will be given of the functions of the various methods of criminological research. To put it in a nutshell, such research can be done by means of any one of the following methods, either alone or, more usually, in combination:
Principal methods:
Statistical | Typological | Individual (psychological or psychiatric) Case Study
Secondary methods:
Sociological (dealing with Institutions, Groups, Areas) | Experimental | Prediction | Operational (action research)