Hot answers tagged methodology
Try the IAPS--International Affective Picture System; they have disgusting images as well as norming procedures and data. You can read about it here and request it (as long as you have a faculty advisor) here.
You may also have a look at the EmoMadrid-database, which can also be accessed for free and the author's do not mention any restrictions of whom they give it to. Here are the instructions on how to get access.
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