Different behavioral observation methods serve different purposes.
Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC, Canada V6T 1Z4 University of Regina, 3737 Wascana Parkway, Regina, Sask., Canada S4S 0A2.
Kenneth D
KD
Craig
Thomas
T
Hadjistavropoulos
D004314:Down Syndrome / Q000503:physiopathology; D006801:Humans; D008607:Intellectual Disability / Q000503:physiopathology*; D010146:Pain / Q000175:diagnosis* / Q000503:physiopathology / Q000523:psychology; D010147:Pain Measurement / Q000379:methods*