On Oct 6, 2008, at 1:50 PM, Schiffel, Jeffrey A wrote:
I don't disagree; you confirm teh implications of my previous note.
Defining affordances is related to the discipline using the term.
True, although as the word was coined by Gibson, one might regard his notion as having some priority; and I cannot find any reference to its use in any literature outside Gibsonian psychology or interface engineering (through the influence of Don Norman). As the Wikipedia article says:
"The different meanings now associated with the word, although closely related, can be a source of confusion in writing and conversation if the intended meaning is not made explicit and if it is not used consistently."