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| Author(s): |
Rafaelle Carolynne Santos Costa
Total Authors: 1
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| Document type: | Master's Dissertation |
| Press: | Ribeirão Preto. |
| Institution: | Universidade de São Paulo (USP). Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (PCARP/BC) |
| Defense date: | 2020-11-25 |
| Examining board members: |
Marina Rezende Bazon;
Rodrigo Travitzki Teixeira de Oliveira;
Ricardo Primi
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| Advisor: | Marina Rezende Bazon |
| Abstract | |
The Jesness Inventory - Revised (JI-R) is a psychological assessment tool aimed at justice- involved adolescents. It assesses personality aspects associated with delinquency and general psychological functioning. In different socio-cultural contexts, it is able to discriminate groups of adolescents regarding their involvement in criminal conducts - measured through official and / or self-reported records. National studies produced the Brazilian version of the JI-R: the Inventário de Jesness-Revisado-Brasileiro (IJ-R-Br). Both original and Brazilian version have 160 items, to which the adolescent answers \"True\" or \"False\". The Inventory provides scores on 10 personality scales, two scales indicative of disorders and an index of recidivism risk. Despite the satisfactory psychometric properties identified in this version, there are showing the need to improve its structure, considering items with low factor loads. Thus, this research was proposed with the following general objectives: 1) to develop the IJ-R-Br short form and 2) to obtain and analyze evidence of psychometric properties of this short form. The research work was organized in three manuscripts. Manuscript 1 deals with the item selection process for the composition of the short form, based on a normative sample of 954 adolescents (aged between 11 and 19 years) and using the Multidimensional Item Response Theory (IRT) analysis technique. The analyzes indicated a set of 86 items with more adequate discriminative indexes than those obtained in a previous study with the original version. In addition, the preliminary content analysis carried out suggested that the scales maintained the interpretive meanings. Manuscript 2 deals with evidence of reliability and construct validity of the short form scales based on data from an independent sample, composed of 522 adolescents (aged between 12 and 18 years old). Analyzes guided by the TRI were performed. Adjusted psychometric properties were found, and the unsatisfactory evidence cases remained consistent with those already found in previous studies, with the original version, suggesting that there is no loss of quality between the two versions. Finally, Manuscript 3 addresses the evidences of convergent and criterion validity obtained with data from a sample of 597 male justice-involved and general population adolescents, aged between 12 and 20 years. The evidences of convergent validity point to the adequacy of the short form, reiterating the potential for multidimensional evaluation of the Inventory. Criterion validity indicated the maintenance of the scales ability to differentiate groups according to the level of involvement in criminal conduct. This short form, as well as the original, is able to respond to the demand for understanding the psychological functioning of adolescents who presented problematic / criminal behaviors. Thus, given the IJ-R-Br short form satisfactory psychometric properties, the continuity of investment in this tool is practicable. (AU) | |
| FAPESP's process: | 18/17018-3 - Development of the Jesness inventory: Brazilian revised reduced and its psychometric properties |
| Grantee: | Rafaelle Carolynne Santos Costa |
| Support Opportunities: | Scholarships in Brazil - Master |