Risk of Re-Offending of Lithuanian Convicts: an Analysis of the Effectiveness of the Oasys Methodology

Laura Ustinavičiūtė, Rita Žukauskienė, Alfredas Laurinavičius


Contemporary studies seek to identify re-offending behavior nature and its background. There are a lot of distinguished criminal factors, which lead to re-offending behavior. Researches have divided these factors to two groups: static (fixed) and dynamic (changeable) or defined as criminogenic needs. The satisfaction of criminogenic needs would decrease the probability of future criminality. In the current study were assessed static and dynamic risk factors of Lithuanian incarcerated offenders (n = 200) sample of 12 different Lithuanian correctional institutions. The OASys is a dynamic risk/need assessment instrument that has been used to assess static factors and criminogenic needs of Lithuanian sample. Results indicated that most of the OASys scales of risk factors significantly correlate. Findings from the research analysis also indicate that all OASys scales are good at offender’s differentiations. The comparison of offenders based of the first conviction age results identified statistically significant differences between means of criminogenic needs. Research results indicate that OASys risk assessment instrument differenciates and estimates different offender risk groups.


offender risk assessment; re-offending; static; dynamic risk factors; criminogenic needs; the age at first conviction

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"Societal studies" ISSN online 2029-2244 / ISSN print 2029-2236