Development and Validation of Taiwan Intimate Partner Violence Danger Assessment ( TIPVDA ) - PowerPoint PPT Presentation

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Development and Validation of Taiwan Intimate Partner Violence Danger Assessment ( TIPVDA )

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Development and Validation of Taiwan Intimate Partner Violence Danger Assessment ( TIPVDA )
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Development and Validation of Taiwan Intimate Partner Violence Danger Assessment ( TIPVDA )

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  1. Development and Validation of Taiwan Intimate Partner Violence Danger Assessment(TIPVDA) Pei-Ling Wang Joanne S. Liu National Chi Nan University, TaiwanNational Taiwan University, Taiwan

  2. Backgrounds • DV issue got attention since 1980s’ in Taiwan • The Deng murder case in 1993 • DV became a rising public policy issue in Taiwan since 1990s • The Domestic Violence Prevention and Control Act (DVPCA) put into effect on June 24th 1999 • Domestic violence incidents are mandatory reported to local authorities ( Domestic Violence and Sexual Assault Prevention Center, DVSAC) according to the DVPCA.

  3. DV cases reported to authorities in Taiwan in the past 10 years

  4. From 2002 to 2010, the IPV (Intimate PartnerI Violence) incidents reported to authorities increased 112%

  5. Why need Danger Assessment? • Assist police officers, social workers, and health service providers to determine which IPV cases need the most immediate attention and extensive intervention because the demand for domestic violence services far exceeds supply. • Strategies need to be tailored to the level of dangerousness in the violent relationship in order to reduce further disrupting the lives of IPV survivors and their children.

  6. Purpose of this Research • The TIPVDA (Taiwan Intimate Partner Violence Danger Assessment) is an instrument designed to assess the likelihood of lethality or near lethality occurring in a case of intimate partner violence. • This article describes the development, psychometric validation, and suggestions for use for the TIPVDA.

  7. Risk of IPV • Violence Histories • Perpetrator’s behavior • Perpetrator’s characteristics and attitude • Situational factors • Victim’s knowledge and support

  8. Methods • Danger assessment scales (DV、SARA、 ODARA/DVRAG、DVSI) review • 80 Femicide and attempted femicide cases review • Focus group to collect the risk factors the front worker used to assess victim’s danger • Questionnaire Survey

  9. Survey Sample • All the IPV victim’s sample (n=773) divided into 2 sub-sample randomly: Analytical sample-for developingn=544(70.3%) Validating sample-for validationn=229(29.7%)

  10. Analysis • Identify sample’s abused situation, then compare the lethality and non-lethality groups • identity the most important risk factors by logistic regression models. • Decide the clear cut point by analysis PPV, NPV, sensitivity and specificity.

  11. Results 1.Taiwan Intimate Partner Violence Danger Assessment (TIPVDA), including (1) 15 risk factors (2) Victim’s self-assessment of her danger (1-10) (3) worker’s notes of this casesTIPVDA_English version.doc 2. TIPVDA>=8 is the highly dangerous group

  12. Validation of TIPVDA • Reliability: Cronbach’s α=.765 • Content validity and experts validity • Criterion-related Validity:compare to DA,Pearson’s r=.90 • Discriminate validity: ANOVA • Prediction (known groups approach):ROC、PPV 、NPV 、sensitivity and Specificity

  13. Validation of TIPVDA

  14. Conclusion The empirical results suggest that the TIPVDA was administered reliably, and they provide significant evidence of the concurrent, discriminate, and criterion-related validity of this instrument.

  15. TIPVDA in Practice • All the police departments, DVSAC, victim’s advocacy organizations and hospitals are using TIPVDA to assess the IPV victims’ danger in Taiwan. • Now all the IPV incidents reported to local authorities are required to fill up the TIPVDA. • The Safety Nets- a multi-agency risk assessment conference- occur monthly and provide a forum for sharing information and taking actions to reduce future harm to high-risk victims and their children in each city and county in Taiwan.

  16. Impacts of using TIPVDA • Increase the worker’s sensitivity on assessing victim’s danger. • Improve the cases reporting accuracy. • Establishing the platform for all the workers of criminal justice , social service, and health care systems within community networks to discuss the victim’s situation promptly. • And the most important, increase the victim’s safety.

  17. Research limitations • Could not follow the sample for a periods of time to survey again • Cannot examine the predictive validity.

  18. Thanks for you attention! 18