To get in touch about the study, please contact doctormo at gmail. You general availability and you shouldn't include any extra details about what you do in CMYK or Inkscape, I'm happy to have your participation be clean and without prior context.
If you'd like to help fund my work instead, please head over to https://www.patreon.com/doctormo or https://en.liberapay.com/doctormo/ and join in making the worlds best vector image editor.