Violence Prediction and Risk Analysis
Abstract Empirically-based violence risk analysis has evolved considerably in recent years. The measures presented in this article, numbering over a dozen distinct systems involving over 100,000 subjects, will hopefully be revised in concordance with new findings and new methodologies. Certain findings regarding risk analysis are likely to remain from this study. Among these is that empirically-based decision analysis is superior to clinical judgment, reversing a trend in forensic mental-health practice over the last century. The practice guidelines for violence prediction, which are largely independent of theoretical views and specialized concerns, should remain durable as they pertain to the positive features of any risk analysis. Regardless of which measures are utilized, violence prediction is a process which always involves questions regarding the comprehensiveness of the database, whether deliberate deception and voluntary distortion were taken into account, if basal history was present, and the pre...
Nowadays by formation of virtual communities, people support public services by sharing their own information and experiences. This article used the information of a Persian website in which the question and answer cycle takes place. In this research was used content validity. This research was utilized participant observation methods and descriptive statistics were used to analyze the data. Results suggest that people offer solutions for problems of each other regarding police services, order and security. They also transfer their knowledge without any benefit and only intrinsic motivation explains such behavior.