Assessing the Prevalence of Psychopathy among Criminal and Non-Criminal Population in Kaduna State Nigeria
This paper examined assessing the prevalence of psychopathy among Criminal and Non-criminal population in Kaduna State Nigeria. Survey method was used to collect 384 participants comprising of both males and females in Kaduna North Local Government area of Kaduna state using Krejcie and Morgan formula to determine the sample size of 384. An adopted standardized instrument of Hare Psychopathic Checklist Revised (PCL-R) 2nd edition was used to collect the data. Four research hypotheses were tested. The results revealed that: The reliability statistics for the scale based on the total number of 20 items was .823 and considered to be highly significant. Criminal population respondent have highly prevalence rate of committing crime more than the non-committing crime more than the non-Criminal population in Kaduna state. Which indicate a mean score of 3.36 with a standard deviation of .497 of 192 Criminal population respondent have highly prevalence rate of committing crime in Kaduna state. While mean score of 2.91 with standard deviation of .422 of 192 non-Criminal population respondent have low prevalence rate of committing crime in Kaduna state. The result also reveal that Non-criminal population were 192 participants for the Non-criminal population, 119 (62.0%) were males with a mean PCL-R score of 48.73 (SD 9.8; n=119) while 73 (38.0%) were females with a mean PCL-R score of 52.06 ( SD 9.9; n=73). On the other hand the result shows that Gender of the Norms for the criminal population. Of the 192 criminal population 177 (92.2%) were males with a mean PCL-R score of 50.52 (SD 9.9; n= 177) while 15 (7.8%) were females with a mean PCL-R score of 43.86 (SD 8.7; n=15). Finally, the results indicate that 18- in35 years are the age range that is highly prevalence to commit crime in Kaduna State. it was recommended that more representative sample should be used, where people from various geographical locations in Nigeria should be included, and there is need to move away from focusing on behavioral correlates (antisocial and criminal behaviors), and to focus more on affective components and find ways to assess these affective constructs in a more valid and reliable manner.
Keywords: Prevalence, Psychopathy, Criminal, Non-Criminal and Population