Psychology is a type of science because psychologists share a basic assumption with all other scientists. Psychology methods can range from simple to complex. There are several research methods in psychology, and the outcome is relatively different for each. Each method studies and tests different situations. “The goals of psychologist are to make predictions about the conditions that gave rise to them, and then use that knowledge to predict and possibly to control events in the future”. (Stephen F.Davis, 2007)
Case study uses information obtained from one person or a few people to illuminate the behaviors of others and suggest further research. Sigmund Freud popularized case study along with his psychonalytic theory of personality. A major advantage of the case study is that focussed on one person allows researchers to gather a great deal of detailed information. The goal of a case study is to use the information gathered from one person to understand the behaviors of others. “The case study is often used by used by psychologist in order to research into aspects of the human psyche.” (Keirs, 2009) Psychologist use experiments, interviews, questionnaires, observations, diaries, and psychometric tests are used within a case study. There are two basic types of case study; retrospective and longitudinal. In retrospective, your information comes from the history of the person you are studying. If it were a person who was being studied, you would have been to interview the person about their childhood and their family, as a result developed a report of their life and early life. In contrast longitudinal, investigates the future. They research consequences of a certain situation that has happened. The key feature in the case study method is subject matter. The subject matter is usually a person or an animal. Much like experimental case study, it often uses variables. As with any other method, it has its advantages and disadvantages. The advantage of case study is...