The files stored in this repository are provided as supplementary materials for the paper '**Capturing richer information: On establishing the validity of an interval-valued survey response mode**', published in the journal *Behavior Research Methods* (Ellerby, Wagner, & Broomell, 2021). DOI: 10.3758/s13428-021-01635-0
These include anonymous survey response data and original stimuli used for each section of the survey, as well as commented code, representing a working example of the generation of IAA charts and interval plots from interval-valued survey data. Note that some survey questions did not use image stimuli, please refer to the paper for full information on all survey questions.
The interval-valued survey software used to generate these data, '**DECSYS**', is open-source and available to download free for academic purposes, via the link https://www.lucidresearch.org/decsys.html