I've been looking around for a term to use for an assignment. As a placeholder, I've been using the term "ultraviability" to convey the idea that too many choices are perceived as viable...even if they aren't.
I conducted an evaluation of an interface where participants had to navigate categories to find a particular item. I received feedback that there were too many options that seemed like they could fit the item. As an example, the user was asked to locate ice cream. Many categories were obviously wrong, but the major hang-ups were the categories dairy, milk and creams, and frozen desserts. The correct choice was frozen desserts while the other two did not contain the item.
Information overload (or infoxication/infobesity): While this is an HCI term, it is not the right one.
Paradox of choice: This one doesn't work either because it relies heavily on the idea of too many choices being the cause of unhappiness. It doesn't capture the "too many correct looking choices" idea.
I'm hoping for a concise answer (not a hard one-word limit...but close).