Methods and devices and systems including a data collection module for receiving and storing analyte data over a predetermined time period from a subject, a user interface unit coupled to the data collection module for providing one or more. Indication related to the analyte data, a control unit coupled to the data collection module and the user interface unit to control, at least In part the operation of the data collection module and the user interface unit, a communication module coupled to the control unit for communicating one or more signals associated with the analyte data to a remote location, where the user interface unit is configured to operate in a prospective analysis mode including substantially real time output of the analyte level received by the data collection module, and a retrospective analysis mode including limited output of information to the subject during the predetermined time period.
