Testing minimal clinically important difference: additional comments and scientific reality testing.
Gatchel
Robert J
RJ
Department of Psychology, University of Texas at Arlington, Arlington, TX 76019, USA. gatchel@uta.edu
Mayer
Tom G
TG
D006304:Health Status; D006801:Humans; D017063:Outcome Assessment, Health Care; D011594:Psychometrics; D011788:Quality of Life; D013122:Spinal Diseases / Q000628:therapy*