Skip to content

Sampling for Forensic Practitioners Short Course

This three-session short course took place on March 25, April 1, and April 8, 2022. Recordings of completed sessions and practicum materials can be found below.

Presenters:
Alicia Carriquiry
Director of CSAFE
Iowa State University

Joseph Zemmels
Graduate Research Assistant at CSAFE
Iowa State University

About the Short Course:
In this three-session short course, Sampling for Forensic Practitioners, Dr. Alicia Carriquiry covered populations and sampling frames, and sampling methods including geometric sampling. The emphasis was on understanding how these methods are used to aid and enhance current forensic science practices.

Course Practicum Materials:
Sampling Practicum Lab
Sampling Practicum – Glass Data
Sampling Practicum Solutions
Sampling Practicum – Glass Solution

Full session recordings:
Session 1:

Session 2:

Session 3:

Related Resources

Source Camera Identification with Multi-Camera Smartphones

Source Camera Identification with Multi-Camera Smartphones

An overview of source camera identification on multi-camera smartphones, and introduction to the new CSAFE multi-camera smartphone image database, and a summary of recent results on the iPhone 14 Pro’s.
What’s in a Name? Consistency in Latent Print Examiners’ Naming Conventions and Perceptions of Minutiae Frequency

What’s in a Name? Consistency in Latent Print Examiners’ Naming Conventions and Perceptions of Minutiae Frequency

Fingerprint minutia types influence LPEs’ decision-making processes during analysis and evaluation, with features perceived to be rarer generally given more weight. However, no large-scale studies comparing examiner perceptions of minutiae…
An alternative statistical framework for measuring proficiency

An alternative statistical framework for measuring proficiency

Item Response Theory, a class of statistical methods used prominently in educational testing, can be used to measure LPE proficiency in annual tests or research studies, while simultaneously accounting for…
Examiner variability in pattern evidence: proficiency, inconclusive tendency, and reporting styles

Examiner variability in pattern evidence: proficiency, inconclusive tendency, and reporting styles

The current approach to characterizing uncertainty in pattern evidence disciplines has focused on error rate studies, which provide aggregated error rates over many examiners and pieces of evidence. However, decisions…