Abstract: A diary and reporting device for use particularly in surveys and researches where each member of a continuing panel reports activities, purchases, opinions or the like during repetitive unit periods of time has a folder with top and bottom covers hinged together. When opened flat an information entry sheet composed of a general data section or zone and an item data zone is exposed. The item data zone is keyed or indexed to data entry guide book pages for instructions as to what data to enter for each type of item reported. An entry index facilitates use of the guide book. All components of the folder are removable and/or replaceable, as by means of tabs or edges on each item engaging cooperating slots or pockets in the folder cover, to facilitate regular reporting and periodic changes in the survey information to be gathered.