How has the intelligence of deaf persons been measured historically? How is it measured today? What generalizations can you say about deaf person’s intelligence? How it has been assessed?

How has the intelligence of deaf persons been measured historically? How is it measured today? What generalizations can you say about deaf person’s intelligence? How it has been assessed? Braden, J. (1994). The Study of Deaf People’s Intelligence. Pp. 65-105. In Deafness, Deprivation & IQ. New York: Plenum Press.