The impact of unreliable information on users' decisions in data retrieval.

In this research, expressing and defining the concepts of unreliable information and information or incorrect information and expressing the roots and contexts of unreliable information formation and its impact on users' decisions in meeting their information needs and finally entering the knowledge formation cycle Which will be obtained from this cycle.

In the present study, the library review method has been used and based on the backgrounds related to the subject under study. In this research, first, the desired concepts about unreliable information and information are expressed, then the contexts for the formation of unreliable information and its role in users' decisions are examined.

In the present age, the speed of online dissemination of unreliable information is unprecedented in the history of communication. The unavailability or lack of reliable sources of information is one of the most important challenges facing societies in the 21st century. This phenomenon is reinforced by a combination of social networks, authentic online media, and human information processing features. Information, false information and destructive information can each create a specific situation for individuals or organizations according to the current situation and the recipient of the interpretation. The meaning of unreliable information in this research is the two concepts of false information and destructive information.

Information efficiency depends on the quality of communication and the usefulness of the information. If the conditions for effective communication and receiving useful information occur for searchers or users of information, it will lead to the right decision of the user in selecting the practical and required information, which will help to produce tacit knowledge and establish the knowledge cycle.