Scientific Metrics Inc
Management Consultants in Halifax

A powerful, easytouse multicriteria decision and evaluation toolIf you make decisions using numbers you need TetraWhat is Tetra?Tetra is the only software for evaluation, measurement and decision making that is based on sound mathematical foundations.Why is it needed?There are logical and mathematical errors at the foundations of decision theory, game theory, economic theory, psychology, and other social science disciplines - see Mathematical Foundations of Decision Theory . These errors can be avoided by using Tetra.How does it work?Tetra constructs preference scales using a user's (or users') criteria weights and alternatives' ratings.The user specifies the alternatives to be considered, the criteria and subcriteria on which the alternatives are rated.Alternatives are rated on the criteria in a simple and intuitive manner and the criteria are weighted by their relative importance.Tetra then rates the alternatives on a scale that takes into account all these pieces of information.Tetra is easytouse, intuitive, and powerful.