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Custom essays: The topic and purpose of the survey

The initial phase of planning of research is identification and formulation of the problem which is studied. The problem must be some general or central psychological issue, which develops in a private, concrete situations. This stage includes the study and development of the leading idea, that is principal direction of the research. It is necessary to point emphasize that the formulation of the research problem is preceded by thorough preparation for a study: a study of the bibliography on the problem, research reports, special psychological literature, etc. In this case, it is necessary to apply methods of theoretical analysis and comparative methods.
The concept of psychological research, its leading idea is based on a critical analysis of the problem and its current state, on general results of previous studies.
The topic of the current psychological study is the problem of depression, namely the phenomenon of seasonal depression in a large part of the population. The phenomenon of seasonal depression worries many people, and therefore the problem is general in nature. The task of the research is to learn how many people in the average suffer from seasonal mood disorders, that is to conduct a survey.
This issue has been extensively studied by many scientists and psychologists in the late 20 century. Since 1980-s there were conducted a lot of studies on the connection of changes in weather and changing seasons and the phenomenon of seasonal depression. Nevertheless, seasonal depression has only recently started to be considered as a separate problem and a mood disorder, and not under common state of depression in humans.
In the 1980s at the Institute of Mental Health in the U.S. a group headed by Rosenthal N. E. carried out a comprehensive study of the autumn-winter depression with a sample of 29 people. The authors first suggested the use the name “seasonal affective disorder” (SAP) to qualify depressive disorder which is regularly observed in the autumn-winter period. (Rosenthal, 1984)
Now the seasonal subtype of affective disorders is considered in modern classifications, for example in DSM-IV-TR (2000). The official recognition of CAP resulted in the growth of the number of research, confirming the relevance of further study of seasonal depression.
The results of the researches show a high prevalence of seasonal disorders in the population: so Rosenthal (1984; 1987; 2005) points out that from 4 to 10% of people suffer from CAP. Further studies (Thompson C. et al., 2002; Murray G. et al., 2002; Rosen L.E. et al., 1990; Schwartz P. et. Al., 1996) demonstrate even greater prevalence of seasonal depression: the prevalence varies from 12,8% to 29%.
The next phase of planning of the study is to define its goals, objectives and hypotheses. It is necessary to formulate the goal and objectives of the study. The study aims to clarify the problem, define the basic parameters that characterize the phenomenon, to define the primary hypothesis. The precise formulation of specific research objectives and hypotheses is given special attention. In this case, first of all, it is important to determine the theoretical level of the planned scientific work, on which depends the further plan of the study. The purpose of this study is study the spread of seasonal depression in the population with the help of the survey.

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