Assessing measurement invariance of PCL-R assessments from file reviews of North American and German offenders

Cross-cultural research on psychopathy necessitates assessment methods that are generalizable across linguistic and cultural differences. Multiple-group confirmatory factor analysis was used to compare the factorial structure of Psychopathy Checklist-Revised (PCL-R) assessments obtained from file reviews of North-American (N = 2622) and German (N = 443) male offenders. The analyses indicated that the 18 item, 4-factor model of the PCL-R obtained with the standard PCL-R protocol (interview and file review) also holds for file review data. On a factor-by-factor level, the data are commensurate with strong factorial invariance of factor loadings and item thresholds for the Interpersonal and Lifestyle factors, and with likely metric invariance for the Affective factor. The Antisocial factor showed structural differences between the two samples. The results imply that cultural or environmental factors more strongly influence the judgment and/or expression of antisociality. Based on the results, cross-cultural comparisons between North-American and German offenders in terms of PCL-R psychopathy should be limited to the Interpersonal and Lifestyle factors. Further research using data obtained through the standard protocol (i.e., interview plus file information) is encouraged.     

A comparison of memory for homicide, non-homicidal violence, and positive life experiences

Defendants commonly claim amnesia for their criminal actions especially in cases involving extreme violence. While some claims are malingered or result from physiological factors, other cases may represent genuine partial or complete amnesia resulting from the psychological distress and/or extreme emotion associated with the perpetration of the crime. Fifty Canadian homicide offenders described their memories of their homicide, a non-homicide violent offense, and their most positive adulthood life experience. Self-reported and objective measures of memories for these events revealed that homicides were recalled with the greatest level of detail and sensory information. Although dissociative tendencies were associated with a self-reported memory loss, objective measures of memory quality did not reflect this perceived impairment, suggesting a failure of meta-memory. Recollections of positive life events were superior to those of non-homicidal violence, possibly due to greater impact and meaning attached to such experiences. Findings suggest that memory for homicide typically is enhanced by the powerful emotion associated with its perpetration.     

The Evidentiary Introduction of Psychopathy Checklist-Revised Assessed Psychopathy in U.S. Courts: Extent and Appropriateness*

We examine the application of Psychopathy Checklist Revised (PCL-R) assessed psychopathy in U.S. courts from the time of the introduction of the PCL-R in 1991, through the end of 2004, and consider the PCL-R in light of relevant evidentiary standards and the empirical support for the construct of psychopathy. Our review of the Westlaw legal database indicates that the evidentiary introduction of PCL-R assessed psychopathy extends across state and federal jurisdictions, and has increased considerably in recent years. We identify nine contexts in which PCL-R evidence has been introduced and examine the appropriateness of such introduction. In most contexts the PCL-R was considered with regard to the prediction of violence in the community, and in such context the introduction of PCL-R scores appears appropriate, at least with regard to European American male offenders. However, PCL-R assessments may not meet relevant evidentiary standards with regard to the prediction of institutional violence and violence among females, adolescents and ethnic minorities.     

合并自杀的杀人行为研究(附40例分析)

目的　探索合并自杀的杀人行为的犯罪学特征、发生机理 ,为责任能力的评定提供依据 ,并提出进一步研究方向。　方法　采用回顾性研究方法 ,3名研究人员从 1997年 1月～ 2 0 0 1年 10月的鉴定案例中挑出符合研究条件的案例 ,进行统计学分析 ,并结合国内外相关文献进行讨论。　结果　符合条件者共 40例 ,男性被鉴定人较多 (2 8名 ) ,平均年龄 33.5 5岁 ,主要年龄段 30～ 40岁 ,妄想和情绪低落等症状具有明显的作用 ,精神分裂症和无精神病在疾病诊断中占有显著地位。　结论　合并自杀的杀人行为具有一定的特征 ,应引起司法精神病学的关注 ,并展开更深入的研究。     

Psychopathy,intelligence, and impulsivity in German violent offenders

Previous studies have reported numerous correlations between psychopathy and various personality traits, behavioural tendencies or clinical characteristics. The present study examined in greater depth the relationships between the components of psychopathy as measured by the Psychopathy Checklist—Revised (PCL-R) and intelligence as well as impulsivity. A total of ninety male violent offenders were recruited from a prison and a forensic–psychiatric hospital in Germany. All of the subjects were assessed using the PCL-R, the Barratt Impulsiveness Scale (BIS-11), and a short version of the German Wechsler Adult Intelligence Scale (WIP). As expected, a canonical correlation analysis showed a negative association between spatial intelligence and the Factor 2 subtotal on the PCL-R (reckless lifestyle/antisociality). In addition, our results agreed with the assumption of an association between impulsivity and the subtotal for PCL-R Factor 2. The positive relationship between verbal intelligence and the subtotal for Factor 1 of the PCL-R (insincere, manipulative conduct/affective deficits) vanished after controlling for educational level. The results indicate that there is a relationship between the spatial components of intelligence and the concept of psychopathy as described by Hare. This result supports the spatial impairment aetiological model of antisocial behaviour.     

Alternative Pathways to Violence in Persons with Schizophrenia: The Role of Childhood Antisocial Behavior Problems

Violence in schizophrenia patients may result from many factors besides the symptoms of schizophrenia. This study examined the relationship between childhood antisocial behavior and adult violence using data from the NIMH CATIE study. The prevalence of violence was higher among patients with a history of childhood conduct problems than among those without this history (28.2% vs. 14.6%; P < 0.001). In the conduct-problems group, violence was associated with current substance use at levels below diagnostic criteria. Positive psychotic symptoms were linked to violence only in the group without conduct problems. Findings suggest that violence among adults with schizophrenia may follow at least two distinct pathways-one associated with premorbid conditions, including antisocial conduct, and another associated with the acute psychopathology of schizophrenia.     

Early traumatization and psychopathy in female and male juvenile offenders

Childhood traumatization is expected to have a significant impact on the development of antisocial and aggressive behavior in adulthood. Psychopathy as a syndrome that can predict future violent and aggressive behavior in adults is therefore believed to be associated with early traumatization. The association between early childhood victimization and violence might at least be mediated through psychopathy. The present study examined the relationship between early emotional, physical or sexual trauma and neglect and psychopathy in incarcerated delinquent female and male juveniles using the Childhood Trauma Questionnaire (CTQ) and the Psychopathy Checklist—Youth Version (PCL-YV). A sample of detained adolescents (n = 185) was compared to adolescent students (n = 98). Also, gender differences were analyzed with respect to the association of trauma and psychopathy. As expected, our analyses revealed higher scores of traumatization in delinquent juveniles compared to school adolescents. Hypothesized relationships between physical traumatization and the PCL-YV total score could be confirmed among criminal boys, but not among delinquent girls. Results, therefore, indicated that an association exists between early physical, but also emotional traumatic experience and psychopathy in detained boys. In girls, however, other family-related variables, such as non-parental living arrangements, seemed to be more influential in developing the psychopathy syndrome than traumatization.     

A preliminary study on findings of psychopathy and affective disorders in adult sex offenders

The construct of psychopathy has often been considered mutually exclusive to the presence of genuine depressive or anxiety symptomotology. This article addresses the hypothesized reasons for this dichotomous relationship. In this study, 68 civilly committed adult male sex offenders were evaluated using a variety of psychological measures to determine if psychopathic individuals in this group would demonstrate clinically significant affective symptoms. Results indicate that the men in this sample endorsed high rates of psychopathy on the PCL-R, with 42% of these expressing concurrent symptoms of depression and 26% manifesting symptoms of an anxiety disorder. Relationships between affective symptoms and PCL-R factor scores and qualitative differences between these constructs in child molesters and rapists are also discussed.     

Violent crimes in native and foreign national offenders

Although the foreign national population in Spanish prisons has doubled during the past decade from 22% to 44%, few studies have investigated the contribution of foreign nationals to criminality and their risk profiles compared to natives. The present paper compared rates of violent conviction in 917 native and 657 foreign national male offenders, and explored differences in risk factors for violence between groups using logistic regression, receiver operating characteristic (ROC) curve analysis, and positive and negative predictive values (PPV and NPV, respectively). Natives and foreign nationals showed no significant differences in the rate of violent conviction (19.6% vs. 17.2%, respectively). However, when multivariate models were developed to predict violence in the samples using logistic regression, between-group differences in the risk profiles of violent and non-violent offenders were found. Implications of the findings for research, public policy and risk management were explored.     

A study of amnesia in homicide cases and forensic psychiatric experts' examination of such claims

About one third of defendants in homicide cases claim amnesia during the time of their alleged act. Examining the authenticity of claimed amnesia is a special challenge for forensic experts. Because the experts' conclusions have legal implications, it is useful to study the characteristics of defendants who claim amnesia regarding a homicidal act and how forensic experts assess these defendants' claims. The forensic psychiatric reports from 2001 to 2007 on 102 Norwegian defendants charged with homicide were assessed quantitatively with a structured rating form. Due to multiple comparisons p of .003 was chosen. Twenty-six defendants claimed partial and 17 claimed total amnesia. No significant differences in the characteristics of the defendants were found between the partial, total, and no amnesia claiming groups. Claims of partial or total amnesia did not change the procedures and content of the forensic experts' examination. A memory test was applied in only one case. Despite the seriousness of the crime and the difficulty of assessing amnesia, the experts did not apply psychological testing of memory function or appropriate tests of possible malingering. Guidelines or standardized procedures for evaluation of defendants who claim amnesia should be developed. This could eventually contribute to more reliable and valid evaluations by forensic experts and increase the probability of just court outcomes.     

Cross-ethnic generalizability of the three-factor model of psychopathy: the Youth Psychopathic Traits Inventory in an incarcerated sample of native Dutch and Moroccan immigrant boys

Background

Previous research provides support for the existence of the psychopathy construct in youths. However, studies regarding the psychometric properties of psychopathy measures with ethnic minority youths are lacking.

Methods

In the present study, the three-factor structure of the Youth Psychopathic Traits Inventory (YPI) was examined for both native Dutch youth (N = 158) and an ethnic minority group, Moroccans (N = 141), in an incarcerated adolescent population in the Netherlands.

Results

Our results showed that the three-factor structure of the YPI is comparable across an ethnic majority and an ethnic minority group in an incarcerated sample in the Netherlands. Moreover, associations between psychopathic traits and mental health problems were similar for both ethnic groups.

Conclusion

The results support the cross-ethnic generalizability of the three-factor model of psychopathy as measured through the Youth Psychopathic Traits Inventory.     

Personality traits in suicidal and homicidal subjects with schizophrenia

Paranoid schizophrenia is characterised by an increased risk of suicide and homicide. Little is known about the influence of personality dimensions as determinants for suicidal and homicidal behaviour within this condition. We assessed the differences among suicidal, homicidal and non-aggressive adult male in-patients with ICD-10 paranoid schizophrenia. The clinical assessments included structured psychiatric interviews and reports on harmful alcohol use and suicide attempts. The personality dimensions were assessed with the Big Five Inventory-10. The study recruited 264 patients divided into three groups: suicide attempters (N = 62), homicide group (N = 70), and a comparative control group (N = 132). To examine how the clinical subgroups differed from the comparative sample in the studied variables, a multinomial regression was performed. Each subgroup was considered a nominal outcome variable and the log odds of the outcomes were modelled as a linear combination of the predictor variables. Neuroticism or emotional instability was the only personality dimension that was different among the study subgroups: a lower level of neuroticism was found in the homicide group. Other risk factors such as age, education, relationship status and history of self-aggressive behaviour could potentially distinguish these subgroups of paranoid schizophrenia patients.     

精神病人的凶杀行为研究(附116例分析)

目的　探讨凶杀行为的特征及相关因素。　方法　采用回顾性研究方法 ,对 116例凶杀案例资料进行统计分析。　结果　凶杀行为与患者的性别、年龄、社会经济状况、疾病诊断、精神症状等因素关系密切 ,案发前多有先兆。　结论　加强精神卫生知识的宣传教育和精神卫生立法是预防精神病人肇事、肇祸的有效途径。     

Projective risk variables in early adolescence and subsequent disinhibitory psychopathology

The objective was to examine early adolescent projective risk indicators for the development of antisocial behaviour as related to adult personality traits, psychopathy, and violent behaviour over the life span. Assessment data included Rorschach (Rr) ratings (at age 11-14 years), personality inventories (EPQ-I and KSP scales), and a shortened Psychopathy Check List (PCL) (administered at age 32-40 years), obtained from a group of 199 male subjects; and smoking habits (at age 36-44 years) obtained from 125 of those subjects. Results, controlled for intelligence, indicated that the high and very high risk groups, as determined by level of total Rr risk scores, were (1) significantly higher on self-rated IVE Impulsiveness, the anxiety-related KSP Muscular Tension, and nonconformity traits, as compared to the low Rr risk group--the very high risk group also scoring significantly higher on the EPQ Psychoticism scale, related to aggressiveness and cruelty; (2) higher on clinically rated PCL total sum and factor scores; and (3) they were overrepresented among Ss with subsequent violent offence, and Ss with heavy smoking habits. The results are discussed in terms of the possible usefulness of psychodynamic oriented cognitive-emotional indicators in the search for underlying mechanisms in the development of disinhibitory psychopathology.     

Measuring psychopathic traits in children through self-report. The development of the Youth Psychopathic Traits Inventory-Child Version

The current article investigates whether self-reports of children provide reliable and valid information concerning psychopathic personality traits and behaviours. For this purpose, we developed a downward extension of an existing adolescent self-report measure; the Youth Psychopathic traits Inventory [YPI; Andershed, H., Kerr, M., Stattin, H., & Levander, S. (2002). Psychopathic traits in non-referred youths: Initial test of a new assessment tool. In E.S. Blaauw, L. (Ed.), Psychopaths: Current international perspectives (pp. 131-158): The Hague: Elsevier], called the Youth Psychopathic traits Inventory-Child Version (YPI-CV). The reliability and validity of the YPI-CV were tested in n=360 children from the general population. The YPI-CV had good internal consistency and a three factor structure similar to the original adolescent version. Test-retest reliability over a 6-month period was adequate. In validating the instrument, both self, teacher and peer report were used. The convergent and divergent validity of the three YPI-CV dimensions was examined by relating each of them to an external criterion measures assessing the same construct. It was concluded that psychopathic traits can be measured reliably and meaningfully through self-report in 9 to 12 year olds and that the YPI-CV is potentially a useful instrument for doing so.     

精神分裂症患者的智力状况和刑事责任能力的关系

目的探讨在进行法医精神病学鉴定中精神分裂症患者的智力状况及刑事责任能力的关系。方法采用韦氏成人智力量表中国版(WAIS-RC)对138例精神分裂症患者进行测试,并与其相应的刑事责任能力进行Pearson相关分析。结果精神分裂症患者的全量表智商为±s=74.59±14.716;言语智商为±s=80.89±14.077;操作智商为±s=70.27±15.427。经统计分析发现:言语智商和操作智商(F=26.786,P=0.000)有显著性差异;各项智力结果与刑事责任能力相关性均不存在统计学意义(P>0.05)。结论精神分裂症患者平均智力水平在正常范围之下,边缘状态与轻度损害之间,但在法医精神病学鉴定中,其刑事责任能力与智力状况不存在相关性。     

精神分裂症患者的犯罪学特征与刑事责任能力的关系

目的探讨精神分裂症患者的犯罪学特征与刑事责任能力的关系。方法采用自行编制的司法精神病学鉴定案例登记量表,对133例精神分裂症涉嫌犯罪者的资料进行收集、整理、归纳。然后对其犯罪学特征与责任能力的关系做相关分析。结果精神分裂症患者涉嫌犯罪案件类型中,以暴力案件为主,依次为凶杀68例(51.1%)、伤害38例(28.6%)、纵火9例(6.8%)、抢劫4例(3.0%)、性犯罪3例(2.3%)。不同责任能力与犯罪相关因素的统计分析发现:诱发事件(χ2=91.779,P=0.000)、双方关系(χ2=76.449,P=0.000)、作案动机(χ2=11.9,P=0.001)、作案前准备(χ2=110.623,P=0.000)、自称遗忘(χ2=34.274,P=0.000)、作案后反应(χ2=110.923,P=0.000)、案件类型(χ2=38.638,P=0.000)有显著性差异。结论无责任能力的分裂症患者作案具有动机不明、无预谋、不分对象、不分场合、突发性、盲目性、残忍性等特点。无责任能力组和部分责任能力组的犯罪学因素中诱发事件、双方关系、作案动机、作案前准备、自称遗忘、作案后反应、案件类型有显著性差异,可作为责任能力评定的参考因素。     

Assessing callous–unemotional traits in adolescent offenders: Validation of the Inventory of Callous–Unemotional Traits

The presence of callous–unemotional (CU) traits designates an important subgroup of antisocial youth. To improve upon existing measures, the Inventory of Callous–Unemotional Traits (ICU) was developed to provide an efficient, reliable, and valid assessment of CU traits in samples of youth. The current study tests the factor structure and correlates of the ICU scale in a sample (n = 248) of juvenile offenders (188 boys, 60 girls) between the ages of 12 and 20 (M = 15.47, SD = 1.37). Confirmatory factor analyses are consistent with the presence of three independent factors (i.e., Uncaring, Callousness, and Unemotional) that relate to a higher-order callous–unemotional dimension. Also, CU traits overall showed associations with aggression, delinquency, and both psychophysiological and self-report indices of emotional reactivity. There were some important differences across the three facets of the ICU in their associations with these key external criteria.