Which type of research most specifically does NOT rely on numerical data?

Many of Freud's patients experienced numbness, paralysis, even blindness, without apparent physical causes. These patients most likely had _____ disorders

a) conversion b) psychotic c) mood d) dissociative

There seem to be two different procedures for reading aloud. The procedure that is based on stored information about the pronunciation of specific written words is called the __________ procedure

A) phonetic B) surface C) lexical D) twipple E) parallel