Abstract
The electronic mood device (EMD) is designed to help answer questions about the variability and dynamics of emotions. It is a small, portable instrument used for repeated recording of moods and feelings. Both construction and operation of the EMD are described. The EMD can best be conceived of as an electronic mood adjective checklist. Persons using the EMD are signaled at designated (e.g., hourly) or random intervals to register their mood or feelings. Paper and pencil are not required. An application is given. It shows how feelings vary within and between persons and during the day. It is concluded that the EMD offers several advantages over paper-and-pencil instruments. Retrospective use is impossible. Timing and registration are accurate. Data handling is fast. Potential future applications are suggested.
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We thank Marco Benard for drawing the electronic mood device and Peter de Jong for his advice in an early phase of the project.
— Accepted by previous editor, Robert W. Proctor
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Hoeksma, J.B., Sep, S.M., Vester, F.C. et al. The electronic mood device: Design, construction, and application. Behavior Research Methods, Instruments, & Computers 32, 322–326 (2000). https://doi.org/10.3758/BF03207801
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DOI: https://doi.org/10.3758/BF03207801