Market research interview system - has portable audiovisual question unit and records multiple choice answers for transfer to commercial computer store

摘要

The portable unit is designed for use by market research personnel to enable a controlled evaluation to be obtained. The unit includes a keyboard for the entry of data, a control and audio stage, a display and a data store. The interview is conducted on the "multiple choice" principal. Answers are recorded on magnetic tape or magnetic cards. An evaluation stage built into the unit is based around a small computer, a data read station, an interface and a magnetic tape unit. Recorded data can be transferred to store suitable for use with a commercial computer.