I think I have seen papers in which participants performed simple forced-choice tasks, where "don't know" was one of the possible choices. So for example, a signal detection task in which the response alternatives are "no", "don't know" and "yes". It seems to me that it should be fairly easy to construct an alternative signal detection theory (SDT) model, and therefore derived, for this kind of task.
Can anyone point to any papers that have derived such a model, or failing that, any papers that report experiments with "don't know" options? Thanks!
Dear Samuel,
here you are:
Conference Paper Effects of the Visual Presentation of Don't Know Options in ...
Article Analysis of Multiple Partially Ordered Responses to Belief I...
I know that J. David Smith has done metacognitive work involving an "uncertain" response in various species. I have a vague recollection that he may have used SDT in some paper on the topic. Good luck!
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