PSYC 2400 Lecture Notes - Lecture 11: Therapeutic Community, Intraclass Correlation, Psychopathy
16 Dec 2016
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Document Summary
In cold blood: characteristics of criminal homicides as a function of psychopathy. Examine the relationship between psychopathy and instrumentality (versus reactivity) of homicides. 125 homicide offenders from two canadian federal prisons; one in bc and one in nova scotia. Mean age at data collection = 41. 8 years (sd = 10. 5; range = 18 to 67) Mean age at time of current homicide = 30. 0 years (sd = 9. 5; range = 14 to. Pcl-r (hare, 1991: total score, factor 1, and factor 2. Continuous: e. g. , 0 to 40 for total score. Dichotomous: psychopath = total score of 30 or higher, nonpsychopath = total score of 29 or lower. Pcl-r scores were already on file for most offenders. For 29 offenders without pcl-r scores already on file, it was scored for this study by trained students from available file information. Coded from official files for most recent homicide. 4-point rating of violence ranging from purely reactive (1) to purely instrumental (4)
