Talk:Attribute substitution

What is a reference, precisely??
This article launches into its discussion of attributes (e.g. 'target attribute') without defining the basic term. Could someone please create a Wiki page "Attribute (psychology)" & provide a definition, examples & reference(s)? Then please link to that page from the first use of the term in this article..?

Thanks, Brad (talk) 12:18, 25 July 2010 (UTC)

Stanley Smith Stevens - 1975 (Died 1973)
I'm putting a Citation Needed on this bit of Attribute_substitution:

As pointed out by 72.89.183.47, Stanley Smith Stevens died in 1973. It looks like this bit of info has been in the article since it was first created in 2009 - and I haven't had luck with the citation, which is some content I can't access, re: Kahneman and Frederick. In fact, the only change in this part of the article since 2009 is stylistic, in the second sentence, which used to read: