Introduction Aggression can be defined according to impulsive or premeditated features. Impulsivity is defined as an uncontrolled and unplanned form of aggression. On the contrary, premeditation requires planning and is goal-oriented. Objective The purpose of this study was to validate the basic psychometric properties of the Impulsive/Premeditated Aggression Scale (IPAS) into European Portuguese. The scale evaluates aggression according to impulsive and premeditated features, which are considered the predominant forms of aggressive behavior, and can be used in community, forensic and clinical settings. Methods Participants from a community sample (n = 957; 424 male) and incarcerated individuals (n = 115, all male) completed the IPAS. Results Internal consistency and reliability indicated that the scale has good psychometric properties in both samples. Data from a principal component analysis (PCA) demonstrated similarities to previous structures reported in the literature. Conclusions The scale demonstrated to be sensitive to the bimodal classification of aggression in community and forensic samples, indicating its utility in the characterization of aggressive patterns.
This study analyzed offenders’ perceptions about distinct sanctions and their adequacy for different crimes, checking if these ideas apply to their crime. We covered a total of 163 adult offenders who were sanctioned with a non-custodial order. The results show that participants tended to express a punitive attitude toward crime, apart from their offenses. Participants who committed driving or drug trafficking offenses were those that revealed congruence regarding the adequacy of the sentence and the usefulness of the sanction imposed. Regarding sentences’ purposes, we noticed most participants considered punishment and general deterrence as the primary purposes. The main contribution of this study lies in its educational value about the cognitive particularities and specific needs of each type of offender. Not attending to offenders’ perceptions regarding sanctions may function as an obstacle for an efficient implementation of the Justice, in terms of their adherence to the sanctions, and consequently their rehabilitation.
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