Psychology Department Faculty

Mary Valaik Barnas

Mary V Barnas

Title: McCoy Professor, Department Chair

Department: Psychology

Education: Ph.D. Developmental Psychology, West Virginia University, 1991; Master’s in Developmental Psychology, West Virginia University, 1987; Bachelor’s in Psychology, Loyola College of Maryland, 1985

Research Interests: Social-Emotional Development in children, Intimate Partner Violence, Child abuse and neglect.

Recent Publications: Valaik Barnas, M. (2000). “Parenting”our students: Applying Developmental Psychology to the college classroom. Teaching of Psychology.

Courses (Fall 2014): Family Discord, Child Development, Graduate Developmental Psychology

Courses (Spring 2015): Adolescent Development, Developmental Internship

Phone: (740) 376-4766


What can a student expect when taking one of your classes?

Students in my courses need to be prepared to discuss the material.

What excites you about teaching at Marietta College?

The small classes and interaction with the students.

When you aren’t teaching, what other activities do you enjoy?


Do you prefer flipping through the pages of a book or an e-book?


What is your favorite Marietta College event?

First day of classes



Alicia Doerflinger

Alicia Doerflinger

Director of the Honors Program, Director of the Investigative Studies, Associate Professor

Dept: Psychology


Office: Mills 405

Degrees: Ph.D. in Psychobiology (Purdue University), 2005; Masters of Science in Psychobiology (Purdue University), 2003; Bachelor of Arts in Psychology (Niagara University), 1999

Year appointed: 2007

Dr. Doerflinger is a psychobiologist interested in the physiological and behavioral mechanisms underlying food intake. She is particularly interested in the development of feeding behaviors, and how children (and other little animals!) learn to seek out food, develop food preferences and eating habits that set the stage for body weight regulation throughout the lifespan.

Dr. Doerflinger has published research in The International Journal of Obesity, Hormones & Behavior, Developmental Psychobiology, Physiology & Behavior, and Appetite. Additionally, she has presented at a variety of international conferences (Society for Neuroscience, Society for the Study of Ingestive Behavior, Society for Developmental Psychobiology).

Dr. Doerflinger began teaching at Marietta College in 2007, instructing in the areas of Introductory Psychology, Physiological Psychology, Learning and Behavior, Human Sexuality, and Graduate courses in Learning and Behavioral Neuroscience.

Dr. Doerflinger's research program investigates the effects of commonly used food additives such as artificial sweeteners, caloric sweeteners, and caffeine on food intake and body weight regulation in children and animal models (mice). .



Ryan May

Ryan May

McCoy Professor of Psychology

Dept: Psychology


Office: Mills 401

Degrees: Ph.D. in Clinical Psychology (Memphis), 2002; Master's (Memphis), 1996; Bachelor's (Anderson University), 1992

Year appointed: 2002

Dr. May, a McCoy Associate Professor, is a clinical psychologist who specializes in the assessment and treatment of adult psychopathology. He has a specialized interest in the areas of addictive behaviors and sport psychology. Dr. May became a tenured faculty member in 2007. In addition to his responsibilities at Marietta College, Dr. May is a member of the medical staff at Marietta Memorial Hospital.



Christopher Klein

Christopher Klein

McCoy Associate Professor, Director of the MAP Program

Dept: Psychology


Office: Mills 406

Degrees: Ph.D. in Cognitive Psychology (University of Alabama), 2010 2009; Master's in Psychology (University of Alabama), 2006; Bachelor's in Psychology (University of Alabama), 2004

Year appointed: 2009

Dr. Klein is a cognitive psychologist and is interested in the automatic processes of learning and attention, as well as the neurological bases of those processes. Additionally, he is specifically interested in how these processes may function differently in persons with an Autism Spectrum Disorder, and how those differences may be related to symptoms of the disorder.

Dr. Klein has recently published in Development and Brain Systems in Autism as well as a chapter on the neuropsychology of autism. In addition, he has presented his research at a number of national and international conferences, including International Meeting for Autism Research, Human Brain Mapping, and Society for Research in Child Development.

Dr. Klein began teaching at Marietta College in the fall of 2009, teaching courses in statistics, research methods, and cognitive psychology. He is excited about engaging students in the classroom, as well as involving them in research that contributes both to the field of cognitive psychology and the community.



Mark Sibicky

Mark Sibicky

McCoy and Plankey Research Professor

Dept: Psychology


Office: Mills 404

Degrees: Ph.D. in Experimental Social Psychology (University of Arkansas), 1990; Master's in Counseling (Colgate University), 1984; Bachelor's in Psychology (University of Connecticut), 1980

Courses (Fall 2015): Introduction to Psychology, History and Systems, Seminar in Social Psychology

Courses (Spring 2016): Social Psychology, Psychology Research I

Year appointed: 1990

Dr. Mark Sibicky is an experimental psychologist with an interest in social psychology. His research interests include understanding helping behavior and cooperation. He is also interested in social cognition, particularly how people categorize, perceive and stigmatize others. Recently he and his students have been researching peoples' beliefs in free will and how these beliefs may influence their perceptions of themselves and others.

Sibicky has published his work in the Journal of Experimental Social Psychology, Personality and Social Psychology Bulletin, Basic and Applied Social Psychology, Journal of Counseling, Psychological Reports and Teaching of Psychology. He has also contributed to book chapters on decision making in social dilemmas and leadership.

Since joining the Marietta College faculty in 1990, he has been awarded the McCoy Professorship Award for Teaching Excellence, the Douglas Putnam Award for Service to the College in 2003, Marietta College's Innovative Teaching Award, the Community Service Leadership Award, and the Edward G. Harness Outstanding Educator Award. Professor Sibicky also serves as Marietta College's Director of the Masters Program in General Psychology.