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RIPL Research Assistants |
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WORK IN PROGRESS
JeeWon Cheong, Ph.D. is an assistant professor at the Department of Psychology at the University of Pittsburgh. Her substantive research interests are 1) prevention of drug use and related problem behaviors for adolescents, 2) alcohol use and violence, and 3) effects of alcohol expectancies on alcohol use. Methodologically, she is interested in mediation analysis, growth curve modeling, and latent class trajectory analysis.
Dr. Cheong worked at RIPL since 1995 until she completed her dissertation in August 2002. She was involved in ATLAS, ATLAS 2, and Mediation. She was a Co-PI of the ROAD (Research On Alcohol & Driving) grant and and also consulted for ATLAS 2. She can be reached at jcheong@pitt.edu.
Amanda Fairchild - Amanda is a 2nd year graduate student in quantitative psychology working on the mediation grant. She is interested in exploring mediation and moderation in single datasets. Amanda is currently looking at effect size measures appropriate for mediation models. She can be reached at Amanda.Fairchild@asu.edu
Matt Fritz - Matt is a fourth year student in quantitative psychology. His RIPL involvement has included the ATLAS2, PHLAME, and MEDIATION grants. He may be reached at matt.fritz@asu.edu
Jeanne Hoffman, Ph.D. is now an Assistant Professor at the Department of Rehabilitation Medicine, University of Washington School of Medicine in Seattle, WA. Some of the projects she's working on are: 1) the impact of the new Medicare payment system for traumatic brain injury (TBI) rehabilitation, 2) evaluating a randomized telephone intervention for TBI, 3) evaluating an educational intervention for UTI in spinal cord injury.
Dr. Hoffman started working for RIPL in August 1997 and left in 1999 for a clinical internship at the University of Washington. Her work at RIPL focused on Mediation analyses and she co-managed our first Web Site. E-mail: jeanneh@u.washington.edu
Jennifer Krull, Ph.D. is Assistant Professor in the Department of Psychological Sciences at the University of Missouri - Columbia. Dr. Krull teaches Quantitative Psychology at "Mizzou" where they have a 100-year tradition of research and scholarship in psychological sciences with two training areas in Quantitative Psychology and Developmental Psychology as well as the Department's current offerings in Clinical Psychology, Cognition and Neuroscience, and Social Psychology.
Dr. Krull is also a consultant on the ATLAS 2 grant assisting Dr. MacKinnon with statistical analyses. She was a graduate student in the RIPL lab from its beginnings in late 1996 until Spring 1997. Web Page Link: http://www.missouri.edu/~psywww/ E-mail: mailto:KrullJL@missouri.edu
Angela Lapin, M.A. is a consultant on the ATLAS 2 grant. She has moved on from RIPL to San Diego, California with her husband and young son. She will be providing statistical analyses on the data set from the ATLAS (Athletes Training & Learning to Avoid Steroids) Program from Oregon Health & Science University in Portland, OR. Ms Lapin was Senior Research Associate with the RIPL lab at it's inception in 1996 to Spring, 1998.
Chondra Lockwood - Chondra Lockwood is a graduate student in
Social Psychology. Her RIPL involvement is with the mediation grant, including
investigations of the power to detect mediated effects, comparison of methods
to detect mediation, and the effects of nonnormality on mediation tests. She
also works on the ATLAS 2 grant analyzing data from the ATLAS (Athletes
Training and Learning to Avoid Steroids) Program in
Dr. Morgan-Lopez worked in RiPL from May 2000 to June 2003 on the SATURN and MEDIATION projects. He can be reached at amorganlopez@rti.org
Liva Nohre, Ph.D. is Senior Epidemiologist with Maricopa County Department of Public Health in Phoenix, Arizona. What is Epidemiology, you might ask? The Maricopa.gov Web Site states: "Q. What does epidemiology mean? A. Epidemiology is the study of the distribution and determinants of health and disease, morbidity, injuries, disability, and mortality in human populations. In a department of public health, epidemiologists keep track of reported disease, births, deaths and do special surveys and studies to get to know the health status of the population."
Dr. Nohre worked at RIPL in the beginning days of 1990 and graduated in August 2001. Her RIPL experience included working with the I-Star Data Set from Indianapolis, Indiana and the ABLE (Warning Label) grant with Dr. MacKinnon.
Krista Ranby- Krista Ranby is a sixth year graduate student in Social Psychology. She is interested in understanding the underlying causes of behavior, with a specific interest in health behavior. As part of RIPL, she has been involved with mediation analyses of the ATHENA (Athletes Targeting Healthy Exercise and Nutrition Alternatives) project. ATHENA is a health promotion and prevention intervention for female middle school and high school athletes conducted by researchers at the Oregon Health & Science University in Portland, OR. She has also been involved in mediation analyses of the PHLAME (Promoting Health Lifestyles: Alternative Models' Effects) program. PHLAME is a health promotion program for firefighters also conducted by researchers from OHSU.
Ehri Ryu - Ehri Ryu is a second year graduate student in Quantitative Psychology. Her RIPL involvement is with Mediation project, exploring the proportion mediated as an effect size measure of mediation. She can be reached via email at: ehri.ryu@asu.edu
Vanessa Ohlrich
Marcia P. Taborga, Ph.D. is a staff psychologist at Child and Family Guidance Center in North Hills, CA where she provides therapy and evaluations for children. She is also beginning a private practice at Lund & Strachan in Santa Monica, CA where she will be doing therapy with families and children as well as custody evaluations for divorcing families.
Dr. Taborga worked in the RIPL lab from 1999 until she left for her internship year at the St. John's Child and Family Development Center in 2002. Dr. Taborga worked primarily on the Mediation grant with particular interests in effect sizes in mediation and also mediators of physical activity programs. Dr. Taborga maintains these interests with ambitions to publish those works in the near future. She can be reached at marciataborga@hotmail.com
Aaron Taylor - Aaron Taylor is a third year graduate student in
Quantitative Psychology. His RIPL involvement is with the SATURN (Student
Athlete Testing Using Random Notification) project analyzing data from the
SATURN Program from
Felix Thoemmes- Felix Thoemmes is a fourth-year graduate student in the Quantitative Psychology program. His research interests are propensity scores and their application in relevant designs employed by social scientists. He also conducted research in the area of missing data. At RIPL, Felix is involved in the analysis of effects of the PHLAME (Promoting Health Lifestyles: Alternative Models' Effects) program.
Jason Williams, Ph.D. is a health research analyst in the Substance Abuse Epidemiology, Prevention, and Risk program at RTI International in North Carolina's Research Triangle Park. Since arriving there in the summer of 2004 he has been heavily involved in evaluation of large multi-site school-based initiatives such as the Safe Schools/Healthy Students program. Current substantive interests include peer- and school-based influences on effectiveness of school-administered programs and substance use and violence prevention in children and adolescents.
Dr. Williams worked at RIPL from 2000 until June 2004. His time at RIPL was spent on the MEDIATION project developing and evaluating resampling and distribution of the product tests of mediation and on the ATLAS and SATURN evaluation projects. He may be contacted at jawilliams@rti.org .
Myeongsun Yoon - Myeongsun Yoon is a second year graduate
student in Quantitative Psychology. Her RIPL involvement is with the
SATURN (Student Athlete Testing Using Random Notification) project analyzing
data from drug testing in high schools with
Last Modified: October 23, 2008