Kristi has conducted clinical research in depression and anxiety in Parkinson’s disease, and on cross-cultural issues in depression and its treatment. She has conducted experimental research in sport superstition and the malingering of head injury. Merging her interests in sport psychology and neuropsychology, Kristi has begun research on athletes malingering neuropsychological baseline tests to affect return-to-play decisions postconcussion.
Professor of Psychology: 2009-present
Associate Professor of Psychology: 2001-2009
Assistant Professor of Psychology: 1995-2001
First year at Colorado College: 1995
Sport psychology issues of concussion, superstition, and stereotyping in athletes; Cross-cultural issues in depression and other mental illness; Depression and anxiety in neurological disorders; Malingering of neuropsychological impairment
Representative Publications & Presentations
Pfeffer, C. and Erdal, K. (2015). Perceptions of former child soldiers and LRA victims with post-traumatic stress among health professionals and lay people in Northern Uganda. International Perspectives in Psychology: Research, Practice, Consultation, 4(2), 128-141.
Draganich, C.*, & Erdal, K. (2014). Placebo sleep affects cognitive functioning. Journal of Experimental Psychology: Learning, Memory and Cognition, 40, 857-864.
Erdal, K. (2012). Neuropsychological testing for sports-related concussion: How athletes can sandbag their baseline testing without detection. Archives of Clinical Neuropsychology, 27, 473–479.
Erdal, K. Singh, N.*, & Tardif, A.* (2011). Attitudes about depression and its treatment among mental health professionals, lay persons and immigrants and refugees in Norway. Journal of Affective Disorders, 133, 481–488.
Erdal, K. (2009). Why one fakes a head injury affects how one fakes a head injury. Applied Neuropsychology, 16, 42-48.
*Wright, P. and Erdal, K. (2008). Sport superstition as a function of skill level and task difficulty. Journal of Sport Behavior, 31, 187-199 .
Erdal, K. (2004). The effects of motivation, coaching, and knowledge of neuropsychology on the simulated malingering of head injury. Archives of Clinical Neuropsychology, 19, 73-88.
Erdal, K. (2001). Depressive symptom patterns in patients with Parkinson's disease and other older adults. Journal of Clinical Psychology, 57, 1559-1569 .
Erdal, K. (2001). Depression and anxiety in Parkinson's disease patients with and without “on-off” phenomena. Journal of Clinical Psychology in Medical Settings, 8, 293-299.
*Shields, J., Erdal, K., Skrinjaric, J., & Majic, G. (1999). Post-traumatic stress symptomatology among health care professionals in Croatia . American Journal of Orthopsychiatry, 69, 529-535.
Reich, J., Erdal, K., & Zautra, A. (1997). Beliefs about control and health behaviors. In D. Gochman (Ed.) Handbook of health behavior research I: Personal and social determinants, pp. 93-111. New York: Plenum.
Erdal, K. and Zautra, A. (1995). The psychological impact of illness downturns: A comparison of new versus chronic conditions. Psychology and Aging, 10, 570-577.
Johnstone, B. and Erdal, K. (1995). The relationship between the WMS-R Attention Index and putative measures of attention. Journal of Clinical Psychology in Medical Settings, 2, 195-204.
Youngjohn, J., Burrows, L., & Erdal, K. (1995). Brain damage or compensation neurosis? The controversial post-concussion syndrome. The Clinical Neuropsychologist, 9(2), 112-123.
Publications in Undergraduate Journals
*Polk, D. and Erdal, K. (2002). Gender and sport differences in the emphasis on the physical and mental aspects of athletics . Journal of Psychological Inquiry, 7, 25-30.
* Colorado College students
2008 Fulbright Scholar, University of Bergen, Norway
2000 Project Kaleidoscope, Faculty for the 21 st Century; Class of 2000
1998-2000 John D. and Catherine T. MacArthur Assistant Professor of Psychology
PY100 Introduction to Psychology: Bases of Behavior
PY202 Research Design
PY362 Abnormal Psychology
PY363 Science and Pseudoscience in Clinical Psychology
PY412 Human Neuropsychology
PY426 Sport Psychology
PY451 Final Project
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- PY100 – Introduction to Psychology: Bases of Behavior
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