[Problem] To provide a user-friendly information-gathering device enabling users to select buttons easily.[Solution to Problem] An information-gathering device 1 has a plurality of selection buttons 6a to 6e and 7a to 7c, a communication module 10, and a cancel button 4. The communication module 10 has an IC chip 12 and a button cell 14. The IC chip 12 has a storage 21 which stores information for identifying the pressed selection button and information about the time of the press, in chronological order, a controller 22 which performs control to store the information in the storage, and a wireless communication unit 23. When the cancel button is pressed, the controller 22 stores, in the storage, information requesting to cancel press information about the selection button pressed immediately before the cancel button is pressed.