Factorial validity

I'm kind of confused about what factorial validity is exactly?

KaterinaSlater (talk)19:55, 2 August 2013

It is a type of construct validity. Based on the correlations between the items in our final scale, there is evidence that the items are measuring a single construct. The results of the factor analysis are what indicates this.

http://books.google.ca/books?id=t3fskSDJnjAC&pg=PA447&dq=factorial+validity&hl=en&sa=X&ei=C6P8UcOtOYWXiALc14GQBw&ved=0CC0Q6AEwADgK#v=onepage&q=factorial%20validity&f=false

JaimieVeale (talk)06:32, 3 August 2013