An information system, comprising a workstation, a database, and connection means for providing access to the database from the workstation. The database comprises a plurality of predefined attributes arranged into a predefined hierarchical order, each attribute corresponding to an assessable factor. The connection means are configured to receive from a user a set of values, the values describing the user's perception on the valued attributes, update the received values into consensus values of the attributes, and provide the user with access to the consensus values of the attributes valued by him. An advantage of the method and arrangement of the invention is that it provides a new enhanced tool for collecting and distributing consensus information.