The commercial success of computerized consumer information systems will depend heavily on the extent to which they help consumers make choices. A system's usefulness will be a function of both the information it contains and the capabilities it offers to process this information. These capabilities will be incorporated in the system's access “language.” This paper reviews research on how consumers process information to make choices, and discusses the implications of this research for the design of consumer information system languages. A hypothetical example is presented and contrasted briefly with available access langua