Darryl W. Etter

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Serum samples of 400 white-tailed deer (Odocoileus virginianus) from 16 preserves in northeastern Illinois were tested for Neospora caninum antibodies in the N. caninum agglutination test using mouse-derived N. caninum tachyzoites and mercaptoethanol. Antibodies were found in 162 deer with titres of 1:40 (47 deer), 1:80 (32 deer), 1:160 (17 deer), 1:200(More)
BACKGROUND Low positive affect is closely related to common pathological responses to childhood adversity, including posttraumatic stress disorder (PTSD) and depression, but little is known about how the characteristics of early adversity experiences might be related to positive affect in adulthood. OBJECTIVE This study aimed to explore whether low(More)
This study examined general self-efficacy in relation to sexual risk behavior among persons living with HIV and evaluated psychometric properties of the Positive Self Questionnaire, a novel measure of general self-efficacy. The Positive Self Questionnaire showed high internal consistency, a factor analysis supported by a single factor structure, and(More)
Many of the current generation of veterans grew up with video games, including military first-person shooter (MFPS) video games. In MFPS games, players take the role of soldiers engaged in combat in environments modeled on real-life warzones. Exposure to trauma-congruent game content may either serve to exacerbate or to ameliorate posttraumatic symptoms.(More)
Given high rates of trauma in people living with HIV (PLH) and the health benefits of posttraumatic growth (PTG), understanding how to foster PTG in PLH exposed to trauma could be of interest to clinical psychologists working with this population. The current study examined factors theoretically related to development of PTG in PLH, namely HIV-related(More)
The association of trauma exposure and coping style to sexual risk behavior has yet to be fully examined in the context of primary and casual sexual partnerships. The current study assessed a high risk sexual behavior-unprotected anal intercourse (UAI)-in a high risk population of HIV-positive men who have sex with men (MSM) with a history of trauma. Using(More)
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