01983nam a2200169   4500001000700000100004100007101000800048200022500056210003100281215002000312300029800332330102000630606003201650606003801682606002701720710006601747390946  a20120521d2012       y0pory50      ba  aeng  aAn empirical study to improve the scientific foundation of forensic firearm and tool mark identification utilizing 10 consecutively manufactured slidesbRecurso eletrónicofMiami-Dade Police Department Crime Laboratory  a[Florida]ced. do a.d2012  a1 CD-ROMd12 cm  aReport submitted to the U.S. Department of Justice by the Miami-Dade Police Department Crime Laboratory - Award ner. 2009-DN-BX-K230 (NIJ). Ficheiro de 844 KB em formato pdf (50 p.). Disponível também em: https://www.ncjrs.gov/pdffiles1/nij/grants/237960.pdf. Acedido a 21 de maio de 2012.  aExecutive summary. Introduction. Purpose goals and objectives. Review of relevant literature. RESEARCH DESIGN AND METHODS. Research questions. Research hypotheses. Target population. Eligibility – Inclusion criteria. Accessible population. Sampling plan & setting. Instrumentation. Data collection methods. Durability testing. Data coding. Phase 1 Testing. Phase 2 Testing (Durability). Descriptive analysis. Data analysis methods. Error rate definition. Durability Phase 2 Testing study definition. Internal validity strengths. Internal validity weaknesses. External validity strengths. External validity weaknesses. RESULTS. Instrument parameters. Main analyses. Additional analyses. Inconclusive results. Summary of results. CONCLUSIONS. Limitations. Recommendations for future research. ACKNOWLEDGEMENTS. DISSEMINATION OF RESEARCH FINDINGS. REFERENCES. Appendix A: Survey instrument. Appendix B: Survey instrument (Phase 2). Appendix C: Sturm Ruger Certification Letter. Appendix D: Manufacturing information.  aARMA DE FOGO E MUNIÇÕES  aIDENTIFICAÇÃO DE ARMA DE FOGO  aANÁLISE LABORATORIAL  aESTADOS UNIDOSbMiami-Dade Police Department Crime Laboratory