Graduate Student Directory

William H. Adams
Email: william-h-adams@uiowa.edu 
Advisor: Walter Vispoel
Research Interests: Cognitive evaluation, randomized controlled clinical drug trials

Benjamin Andrews 
Email: benjamin-andrews@uiowa.edu  
Advisor: Michael Kolen
Research Interests: Test theory, equating and scaling

Stuart Barnum
Email: stuart-barnum@uiowa.edu

Juan Chen
Email: juan-chen-1@uiowa.edu

Keyu Chen
Email: keyu-chen@uiowa.edu
Advisor: Michael Kolen

Ashleigh Crabtree
Email: ashleigh-crabtree@uiowa.edu
Advisor: Catherine Welch
Research Interests:  Test development and design, value-added models, standard setting methodologies

Paula Cunningham
Email: paula-cunningham@uiowa.edu

John DenBleyker
Email: john-denbleyker@uiowa.edu

Lori Dockery
Email: lori-dockery@uiowa.edu

Anthony Fina
Email: anthony-fina@uiowa.edu

Katherine Furgol
Email: katherine-furgol@uiowa.edu
Advisor: Michael Kolen
Research Interests: Growth models, K-12 accountability systems 

Jin Gong
Email: jin-gong@uiowa.edu

Jay Happel
Email: jay-happel@uiowa.edu

Yi He
Email: yi-he@uiowa.edu

David Henkhaus
Email: david-henkhaus@uiowa.edu
Advisor: Walter Vispoel
Research Interests: K-12 assessment, computerized testing 

Ying-Ju Hsu
Email: ying-ju-hsu@uiowa.edu
Advisor: Timothy Ansley
Research Interests: Computer adaptive testing

Yenkai Huang
Email: yenkai-huang@uiowa.edu

Karoline Jarr
Email: karoline-jarr@uiowa.edu

Shalini Kapoor
Email: shalini-kapoor@uiowa.edu
Advisor: Catherine Welch

Hanyi Kim
Email: hanyi-kim@uiowa.edu

Hyung Jin Kim
Email: hyungjin-kim@uiowa.edu

JaYoung Kim
Email: jayoung-kim@uiowa.edu

Lee LaFond
Email: lee-lafond@uiowa.edu
Adivsor: Stephen Dunbar
Research Interests: Test development, Item Response Theory

Eunjung Lee
Email: eunjung-lee@uiowa.edu

Chunyan Liu
Email: chunyan-liu@uiowa.edu
Advisor: Michael Kolen
Research Interests: Item response theory, Equating and Scaling, Classical test theory, Generalizability theory and Computerized adaptive testing

Valerie Moody
Email: valerie-moody@uiowa.edu
Advisor: Walter Vispoel

Joann Moore
Email: joann-moore@uiowa.edu
Advisor: Robert Ankenmann
Research Interests: Generalizability theory, validity, large-scale assessment

Vernita Morgan
Email: vernita-morgan@uiowa.edu

Krystle Oates
Email: krystle-oates@uiowa.edu
Advisor: Kathleen Banks
Research Interests: The causation of the differences between test scores of different racial and gender groups of the same ability

Holly Olson
Email: holly-olson-1@uiowa.edu

Seohong Pak
Email: seohong-pak@uiowa.edu
Advisor: Michael Kolen

Sonya Powers
Email: sonya-powers@uiowa.edu

Angelica Rankin
Email: angelica-rankin@uiowa.edu
Advisor: Timothy Ansley 

Jaehoon Seol
Email: jaehoon-seol@uiowa.edu
Advisor: Catherine Welch
Research Interests:  Computer adaptive testing

Seonho Shin
Email: seonho-shin@uiowa.edu

Neil Stephens
Email: christopher-stephens@uiowa.edu

Elizabeth Sullivan
Email: elizabeth-sullivan@uiowa.edu

Linan Sun
Email: linan-sun@uiowa.edu

Jason Taylor
Email: jason-t-taylor@uiowa.edu
Advisor: Robert Ankenmann

Khee Shoon Teo
Email: khee-teo@uiowa.edu

Anna Topczewski
Email: anna-kodet@uiowa.edu

Joshua Tudor
Email: joshua-tudor@uiowa.edu
Advisor:  Stephen Dunbar

Nathan Wall
Email: nathan-wall@uiowa.edu

Chunxin Wang
Email: chunxin-wang@uiowa.edu

Min Wang
Email: min-wang@uiowa.edu
Advisor: Catherine Welch

Wei Wang
Email: wei-wang@uiowa.edu
Advisor: Michael Kolen
Research Interests: Equating, Item Response Theory

Xuan Wang
Email: xuan-wang@uiowa.edu

Paul Westrick
Email: paul-westrick@uiowa.edu

Scott Wood
Email: scott-wood@uiowa.edu

Yi-Fang Wu
Email: yi-fang-wu@uiowa.edu 
Advisor: Timothy Ansley
Research Interests: Reliability, generalizability theory, Item Response Theory, international assessments

Mengyao Zhang
Email: mengyao-zhang@uiowa.edu
Advisor: Michael Kolen