Deletion of Metropolitan bias

Comment: to urban bias — These seem to be the same, and some of the sources to this article in fact user the other term. That said there are considerable amounts of  in the current article, and that should of course not be merged into the other article
Stance: merge
Cited policy: Wikipedia:No original research (WP:OR)

Comment: per 
Stance: keep
Cited policy: Wikipedia:The Heymann Standard (WP:HEY)