1. On the methods and theory of reliability;Bartko;Journal of Nervous and Mental Disease,1975
2. Observational skills;Boice;Psychological Bulletin,1983
3. The perception of people;Bruner,1954
4. Experimental and quasi-experimental designs for research;Campbell,1966
5. Recalibration of raters to criterion: A methodological note for social skills research;Curran;Behavioral Assessment,1980