Graduate Students

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Chasity Ratliff

Chasity Ratliff received her Bachelor's degree from Southeast Missouri State University in Cape Girardeau, MO. Her general research interests are related to social learning and social behavior. Chasity is currently a Graduate Research Assistant for Dr. Peter-Hagene in the Social Psychology and Law Laboratory, as well as an Associate for Applied Research Consultants. 

Click here for Chasity's full CV


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Colleen Bader

Colleen Bader, B.S. is originally from Mesa, AZ but received her Bachelor's degree from University of Evansville in Indiana. Her research centers around gender and gender stereotypes. She studies people's perceptions of female professionals in the legal system (e.g., police officers, lawyers, judges). Colleen also has a passion for statistics and research methods. Currently, Colleen works in the Social Work department as the statistical evaluator as well as the TA for Graduate and Undergraduate research methods. 

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Emily Galeza

Emily Galeza is a 1st year graduate student in the Applied Psychology program. She was born and raised in Erie, Pennsylvania. Emily earned a B.S. degree at Penn State University, Behrend in Erie, PA, with a major in Psychology and a minor in Sociology. She is interested in studying persuasion, how components of a message affect its persuasiveness, and how these details can be applied in the real world.


Undergraduate Students

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Heather Duzan

Heather is a junior in the psychology and criminology/criminal justice programs at SIUC. Heather is interested in the role of emotions in legal settings and presented a poster on the different effects of anger, disgust, and sadness on jurors’ verdicts at the 2017 Spring Undergraduate Research Forum. She also received the REACH award, which will allow her to conduct a Psychology and Law study concerning the emotions presented in the trial testimony of a child. Her broad focus is on how incidental and integral sadness can influence verdicts in a variety of cases. 

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Lisa Logterman

Lisa Logterman is a sophomore student, double majoring in Criminology and Psychology. She hopes to combine her interests in these two fields in order to research: the motivations behind offenders, what plays a role in the sentencing process once offenders are arrested, and what happens psychologically to offenders once they are behind bars.

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Celeste Green

Celeste is an undergraduate senior, majoring in Psychology. Her research interests include understanding the role of offenders, law enforcement interactions, and courtroom interactions.

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Briana Huerta

Briana Huerta is a senior at Southern Illinois University, studying psychology. Her main research interests are diversity and personality in the workplace. She will be sharing her work at the annual MPA conference in Chicago, IL later this year. After graduation, Briana plans on continuing her education and furthering her research. 


Colton Newlin

Colton is a Sophomore, Chancellor’s Scholar at SIU.  He is studying Psychology with a minor in Criminology/Criminal Justice while on a Pre-Law track.  In his free time, Colton is involved in several RSO’s on campus, such as: Inter-Greek Council, Undergraduate Student Government, Saluki Ambassadors, and the University Honors Program to name a few.  He believes that his involvement in this lab will make him a better litigation attorney in the future. 

Former Lab Members

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Kenneth Washington

Kenneth Washington is a Research Assistant at Southern Illinois University, Carbondale. He completed his M.A. in Counseling Psychology at Southern Illinois University Fall of 2016. He is a third year graduate student in the Counseling Psychology Doctoral Program at SIU. His research interests include meaning in life among African Americans, intersectionality, and the use of culturally sensitive research methodologies.