Modern psychology is a fairly extensive system knowledge, it incorporates a system of disciplines associated with different areas of practice. According to the free online dictionary, psychology is “the science that deals with mental processes and behavior”. The main principle of classification of psychology’s branches is the principle of the psyche’s development of the human activity, according to which there are a lot of different areas of psychology depending on human activities.
Unemployment rate shows the overall performance of the economy. It represents the number of unemployed as a percentage of the labor force. A high percentage indicates a poor performance of the economy. The labor force is the population working and below retirement age employed or unemployed. Data required is the number of unemployed workers over the labor force expressed as a percentage. However, one the total population of the area is irrelevant when calculating the unemployment rate (Tucker 159).