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Predictive antisocial spectrum questionnaire: exploring psychometric properties in male inmates
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Abstract(s)
Os traços antissociais têm impacto considerável na vida de um indivíduo, no seu percurso
académico e no mercado de trabalho, nas suas relações amorosas e familiares e na relação que
estabelece com a sociedade. Para uma intervenção focada nas características do individuo é
necessária a existência de instrumentos de avaliação robustos. Neste âmbito, a presente
investigação teve como objetivos contribuir com: 1) uma revisão do Antisocial Spectrum,
identificando itens preditivos considerando dois grupos (população forense e comunitária); 2)
uma exploração das propriedades psicométricas desses itens numa amostra masculina da
população prisional portuguesa. A amostra deste estudo é composta por 435 adultos, 205
homens (M = 37.24, SD = 10.66) que se encontravam em reclusão em 6 estabelecimentos
prisionais na área da grande Lisboa e 230 homens na comunidade não condenados por crimes
(M = 43.73, SD = 19.09). A amostra respondeu às medidas de autorrelato: Escala Antisocial
Spectrum (AS Spectrum) e Escala de Crenças Criminógenas (CCS). Realizou-se uma análise
fatorial exploratória que revelou uma estrutura de dois fatores
(Impulsividade/Irresponsabilidade; Relação Interpessoal) com 10 itens que discriminam entre
os dois grupos em análise. Os resultados indicam que o Predictive Antisocial Spectrum
Questionnaire apresenta valores satisfatórios relativamente à sensibilidade dos itens e das
dimensões, validade fatorial, validade convergente e fiabilidade, nomeadamente consistência
interna. Este questionário apresenta-se como um instrumento de avaliação promissor para
medir traços antissociais em reclusos do sexo masculino. Limitações, recomendações para
investigações futuras e implicações clínicas e sociais são discutidas.
ABSTRACT: Antisocial traits have a significant impact on an individual's life, their academic and professional career, their romantic and family relationships, and their relationship with society. For an intervention focused on the individual's characteristics, it is necessary to have robust assessment instruments. In this context, this research aimed to contribute with: 1) a review of the Antisocial Spectrum, identifying predictive items considering two groups (forensic and community population); 2) an assessment of the psychometric properties considering only predictive items in a male sample of Portuguese inmate population. The sample for this study consisted of 435 adults, 205 males (M = 37.24, SD = 10.66) who were deprived of liberty in 6 prisons in the metropolitan area of Lisbon and 230 males (M = 43.73, SD = 19.09) in the community who had not been convicted of crimes. The sample answered to self-report measures: Antisocial Spectrum Scale (AS Spectrum) and Criminogenic Beliefs Scale (CCS). An exploratory factor analysis was carried out which revealed a two-factor structure (Impulsivity/Irresponsibility; Interpersonal Relationship) with 10 items that discriminate between the two groups under analysis. Results indicate that the Predictive Antisocial Spectrum Questionnaire has satisfactory results regarding sensitivity of the items and dimensions, factorial validity, convergent validity and reliability, in particular internal consistency. This questionnaire appears to be a promising assessment tool for measuring antisocial traits in male inmates. Limitations, recommendations for future research and clinical and social implications are discussed.
ABSTRACT: Antisocial traits have a significant impact on an individual's life, their academic and professional career, their romantic and family relationships, and their relationship with society. For an intervention focused on the individual's characteristics, it is necessary to have robust assessment instruments. In this context, this research aimed to contribute with: 1) a review of the Antisocial Spectrum, identifying predictive items considering two groups (forensic and community population); 2) an assessment of the psychometric properties considering only predictive items in a male sample of Portuguese inmate population. The sample for this study consisted of 435 adults, 205 males (M = 37.24, SD = 10.66) who were deprived of liberty in 6 prisons in the metropolitan area of Lisbon and 230 males (M = 43.73, SD = 19.09) in the community who had not been convicted of crimes. The sample answered to self-report measures: Antisocial Spectrum Scale (AS Spectrum) and Criminogenic Beliefs Scale (CCS). An exploratory factor analysis was carried out which revealed a two-factor structure (Impulsivity/Irresponsibility; Interpersonal Relationship) with 10 items that discriminate between the two groups under analysis. Results indicate that the Predictive Antisocial Spectrum Questionnaire has satisfactory results regarding sensitivity of the items and dimensions, factorial validity, convergent validity and reliability, in particular internal consistency. This questionnaire appears to be a promising assessment tool for measuring antisocial traits in male inmates. Limitations, recommendations for future research and clinical and social implications are discussed.
Description
Dissertação de Mestrado realizada sob a orientação do Professor Doutor Miguel Basto-Pereira apresentada no Ispa – Instituto Universitário para obtenção de grau de Mestre na especialidade de Psicologia Forense.
Keywords
Análise fatorial exploratória Perturbação de personalidade antissocial População forense Traços antissociais Exploratory factor analysis Antisocial personality disorder Forensic population Antisocial traits