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CSAFE’s Latest Resources

Change cannot happen without community. CSAFE is passionate about achieving its mission to apply a statistically sound and scientifically solid foundation to the interpretation of forensic evidence. To that end, we invite fellow scientists and researchers, along with those in the forensic and legal communities, to use and share these resources as we work together to elevate forensic science and technology.

Knowledge Transfer

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Statistical Thinking for Forensic Practitioners Short Course (Fall 2021)

Type: Research Area(s):

Presenter: Hal Stern Chancellor's Professor in the Department of Statistics, CSAFE Co-Director Presentation Description: Probability Concepts and their Relevance to Forensic Science is the first session in the three-session short course, Statistical Thinking for Forensic Practitioners. Probability is the mathematical…


Treatment of inconclusives in the AFTE range of conclusions

Type: Research Area(s):

Published: 2021 | By: Heike Hofmann

In the past decade, and in response to the recommendations set forth by the National Research Council Committee on Identifying the Needs of the Forensic Sciences Community (2009), scientists have conducted several black-box studies that attempt to estimate the error…

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Bloodstain Pattern Analysis Black Box Study

Type: Research Area(s): ,

This CSAFE webinar was held on October 14, 2021. Presenters: Austin Hicklin Noblis Forensic Science Group, Director Paul Kish Forensic Consultant, Paul Erwin Kish Forensic Consultant and Associates Kevin Winer Director, Kansas City Police Crime Laboratory Presentation Description: This study…


Assessing the resources and requirements of statistics education in forensic science

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Published: 2020 | By: Xiaoyi Yang

With the increasing ability to easily collect and analyze data, statistics plays a more critical role in scientific research activities, such as designing experiments, controlling processes, and understanding or validating lab results. As a result, incorporating statistics training into the…

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Consensus on validation of forensic voice comparison

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Published: 2021 | By: Geoffrey Stewart Morrison

Since the 1960s, there have been calls for forensic voice comparison to be empirically validated under casework conditions. Since around 2000, there have been an increasing number of researchers and practitioners who conduct forensic-voice-comparison research and casework within the likelihood-ratio…

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Commentary on Curley et al. Assessing cognitive bias in forensic decisions: a review and outlook

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Published: 2020 | By: William C. Thompson

In their recent critical review titled “Assessing Cognitive Bias in Forensic Decisions: A Review and Outlook,” Curley et al. (1) offer a confused and incomplete discussion of “task relevance” in forensic science. Their failure to adopt a clear and appropriate…

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Estimating Repeatability and Reproducibility with Limited Replications

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Published: 2020 | By: Hina Arora

In many measurement settings, it is important to assess the reliability and validity of measurements. As an example, forensic examiners are called upon to assess the quality of forensic evidence and draw conclusions about the evidence (e.g., whether two fingerprints…

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Using Machine Learning Methods to Predict Similarity of Striations on Bullet Lands

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Published: 2020 | By: Heike Hofmann

Recent advances in microscopy have made it possible to collect 3D topographic data, enabling virtual comparisons based on the collected 3D data next to traditional comparison microscopy. Automatic matching algorithms have been introduced for various scenarios, such as matching cartridge…

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Sampling for Forensic Practitioners Short Course

Type: Research Area(s): ,,

The first session of this two-session short course took place on September 30, 2021. The second session took place on October 7, 2021. Recordings of both sessions can be found below. Presenter: Alicia Carriquiry Director of CSAFE Iowa State University…


A Survey of Fingerprint Examiners’ Attitudes towards Probabilistic Reporting

Type: Research Area(s): ,

This CSAFE webinar was held on September 22, 2021. Presenter: Simon Cole University of California, Irvine Presentation Description: Over the past decade, with increasing scientific scrutiny on forensic reporting practices, there have been several efforts to introduce statistical thinking and…


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