A Multi-Wave Longitudinal Examination of how Strengths and Risks Inform Risk Assessment and Treatment Profiles For Justice-Involved Men and Women using The Service Planning Instrument (SPIn)

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Creator: 

Wanamaker, Kayla Ann

Date: 

2020

Abstract: 

Research is needed focusing on the predictive nature of dynamic risk and strength score changes and whether there are gender differences. Study 1 used a sample of 11,953 men and 2,877 women under community supervision with Service Planning Instrument re-assessment data. Using a multi-wave longitudinal design, hierarchical linear modeling was conducted to assess patterns of change in total dynamic risk and strength scores over a 30-month period. Change parameters (intercepts and slopes) were incorporated into regression models for each gender linking change to technical violations, new charges, violent charges, and any negative outcome. Total dynamic risk scores decreased overtime and total dynamic strength scores increased overtime for both genders. For men, change in dynamic risk scores was predictive of all four outcomes, whereas for women, change in dynamic risk scores was not predictive of violent charges. Change in dynamic strength scores predicted technical violations for both genders. Using 6,675 men and 1,684 women, Study 2 examined typologies of gender-informed risks and strengths. Latent profile analyses were conducted for men and women at three timepoints: Time 1 = first assessment, Time 2 = 3 to 8 months post initial assessment, and Time 3 = 9 to 14 months post initial assessment. Three profiles consistently emerged at each timepoint for women: low risk/low strength; gender-responsive, low risk/high strength; and aggressive, complex need/low strength (scoring high on both gender-responsive needs and gender-neutral risk factors). Men were classified into five profiles: low risk/low strength; aggressive, complex need/low strength; moderate risk/moderate strength; low risk/high strength; and low stability, complex need/low strength. At Time 3, a sixth profile of men emerged: moderate complex need/low strength. Profiles characterized as aggressive with complex needs had the highest rate of reoffending for both genders. Findings indicate that both men and women exhibit minimal changes in total dynamic risk and strength scores overtime. While change scores on total dynamic risk are predictive of reoffending outcomes, more research assessing the dynamic nature of strengths is needed to further inform risk assessment protocols. Results indicate more similarities than differences in typological structure of men and women, although heterogeneity for men increased overtime.

Subject: 

Psychology - Experimental

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Doctor of Philosophy: 
Ph.D.

Thesis Degree Level: 

Doctoral

Thesis Degree Discipline: 

Psychology

Parent Collection: 

Theses and Dissertations

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