This assignment will consist of two main parts. The word count will limit some areas of the essay. It is hoped, however, that an overall balance can be achieved. In the first part; the essay will begin with a brief history of social work methods. The essay will continue by describing what the methods are and how they are used in social work. Following the methods, the essay will examine social work theories and how they can be explained. Furthermore, it will be necessary to show, and provide examples, of how methods are linked to particular theories. With respect to how theories and methods work within social work, the essay will examine the importance of theories and methods in relation to working with people who have substance problems. The main body will show supporting evidence, how? Two methods of social work can be successfully applied in the field of drugs and alcohol. It will be necessary to demonstrate how the two social work methods are chosen and implemented in an example case study intervention. Interviews with service users will be used to provide clarity and insight into how service users view social work intervention methods. The second part of the essay will critically evaluate a single social work method used in the example case study. Specific references will illustrate how this method has an influence and how it supports, or does not support, anti-discrimination practice. In conclusion, the final part of this essay will be a reflection on the knowledge base that the student has acquired from the social work methods module. It will show how understanding this module will inform future practice in the field of social work. Furthermore, it will be necessary to demonstrate how the student approached the project. T...... half of the document ......and forms in DANOS (Drug and Alcohol National Occupational Standards). The non-professional is not able to draw on knowledge in the same way as a professional and will rely on a more common sense approach to working with service users. Howe (1987) suggests that common sense is a particular understanding that an individual has, and the individual believes that there is no other way to look at it. Professional social worker will also work from it. A systematic skills base and evidence-based practice, but also value- and ethics-based practice. Values ​​fundamentally represent how professionals should treat service users with a deep understanding of right and wrong. Vigilante (1974) (cited in Barnard, A.2008) defines values ​​as the “centre of practice”. These values ​​and ethics benefit the service user as they receive a professional service in the professional relationship.