Psychiatric Epidemology is a sub-field of epidemology which deals with the concept, etiology and prevalence of mental illness in a society. Most characteristics , attitude of people is often influenced by the society and hence a certain population has some features in common, thus leading the certain type of psychiatric diseases common to a population and if this is detection the population can be treated on the whole. Psychiatric Epidemology is comparitively a new field epidemology which is gaining attention and plenty research is still being carried out. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information.
Last date updated on September, 2014