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Dive into the research topics where Andrew M. Sherrill is active.

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Featured researches published by Andrew M. Sherrill.


Perspectives on Psychological Science | 2016

Registered Replication Report: Hart & Albarracín (2011)

Anita Eerland; Andrew M. Sherrill; Joseph P. Magliano; Rolf A. Zwaan; Jack Arnal; Philip Aucoin; Stephanie A Berger; Angela R Birt; Nicole M. Capezza; Marianna Carlucci; Candace Crocker; Todd R Ferretti; Mackenzie R. Kibbe; Michael M Knepp; Christopher A. Kurby; Joseph M Melcher; Stephen W Michael; Christopher Poirier; Jason M. Prenoveau

Language can be viewed as a complex set of cues that shape people’s mental representations of situations. For example, people think of behavior described using imperfective aspect (i.e., what a person was doing) as a dynamic, unfolding sequence of actions, whereas the same behavior described using perfective aspect (i.e., what a person did) is perceived as a completed whole. A recent study found that aspect can also influence how we think about a person’s intentions (Hart & Albarracín, 2011). Participants judged actions described in imperfective as being more intentional (d between 0.67 and 0.77) and they imagined these actions in more detail (d = 0.73). The fact that this finding has implications for legal decision making, coupled with the absence of other direct replication attempts, motivated this registered replication report (RRR). Multiple laboratories carried out 12 direct replication studies, including one MTurk study. A meta-analysis of these studies provides a precise estimate of the size of this effect free from publication bias. This RRR did not find that grammatical aspect affects intentionality (d between 0 and −0.24) or imagery (d = −0.08). We discuss possible explanations for the discrepancy between these results and those of the original study.


PLOS ONE | 2015

Understanding How Grammatical Aspect Influences Legal Judgment.

Andrew M. Sherrill; Anita Eerland; Rolf A. Zwaan; Joseph P. Magliano

Recent evidence suggests that grammatical aspect can bias how individuals perceive criminal intentionality during discourse comprehension. Given that criminal intentionality is a common criterion for legal definitions (e.g., first-degree murder), the present study explored whether grammatical aspect may also impact legal judgments. In a series of four experiments participants were provided with a legal definition and a description of a crime in which the grammatical aspect of provocation and murder events were manipulated. Participants were asked to make a decision (first- vs. second-degree murder) and then indicate factors that impacted their decision. Findings suggest that legal judgments can be affected by grammatical aspect but the most robust effects were limited to temporal dynamics (i.e., imperfective aspect results in more murder actions than perfective aspect), which may in turn influence other representational systems (i.e., number of murder actions positively predicts perceived intentionality). In addition, findings demonstrate that the influence of grammatical aspect on situation model construction and evaluation is dependent upon the larger linguistic and semantic context. Together, the results suggest grammatical aspect has indirect influences on legal judgments to the extent that variability in aspect changes the features of the situation model that align with criteria for making legal judgments.


Behavior Modification | 2018

Effectiveness of the Unified Protocol for Transdiagnostic Treatment of Emotional Disorders Among Veterans With Posttraumatic Stress Disorder: A Pilot Study:

Ruth L. Varkovitzky; Andrew M. Sherrill; Greg M. Reger

Effective treatment options are needed for veterans who do not participate in trauma-focused psychotherapy. Research has yet to examine the effectiveness of transdiagnostic psychotherapy in veterans with posttraumatic stress disorder (PTSD) and co-occurring psychological disorders. This pilot study examined the effectiveness of the Unified Protocol for Transdiagnostic Treatment of Emotional Disorders (UP) delivered in a 16-week group format. We examined treatment outcomes in male and female veterans (n = 52) in an outpatient specialty PTSD clinic at a large Veterans Affairs (VA) medical center. We hypothesized significant decreases in emotion regulation difficulty (Difficulties in Emotion Regulation Scale), PTSD symptom severity (PTSD Checklist for DSM-5), and depressive symptom severity (Patient Health Questionnaire–9). In addition, we hypothesized that reductions in emotion regulation difficulty across treatment would negatively predict PTSD and depressive symptoms at posttreatment. PTSD symptoms, depressive symptoms, and emotion regulation difficulty all evidenced significant improvements at the end of treatment relative to baseline (ps < .001). In addition, reductions in emotion regulation across treatment were associated with lower PTSD and depressive symptoms at posttreatment (ps < .001). This pilot study provides preliminary evidence supporting use of UP among veterans with PTSD and co-occurring disorders. Well-designed clinical trials evaluating efficacy of UP among veterans are needed.


Violence Against Women | 2016

A Qualitative Examination of Situational Risk Recognition Among Female Victims of Physical Intimate Partner Violence

Andrew M. Sherrill; Kathryn M. Bell; Nicole Wyngarden

Little is known about intimate partner violence (IPV) victims’ situational risk recognition, defined as the ability to identify situational factors that signal imminent risk of victimization. Using semi-structured interviews, qualitative data were collected from a community sample of 31 female victims of IPV episodes involving substance use. Thirteen themes were identified, the most prevalent being related to the partner’s verbal behavior, tone of voice, motor behavior, alcohol or drug use, and facial expression. Participants reporting at least some anticipation of physical aggression (61.3% of the sample) tended to identify multiple factors (M = 3.47), suggesting numerous situational features often contribute to situational risk recognition.


Journal of Aggression, Maltreatment & Trauma | 2016

Trait Aggressiveness and Aggressive Behavior in the Context of Provocation and Inhibition

Andrew M. Sherrill; Joseph P. Magliano; Alan Rosenbaum; Kathryn M. Bell; Patricia S. Wallace

ABSTRACT Aggressive behavior often occurs despite salient cues within the immediate environment that indicate aversive consequences will likely follow. Prior research has shown high trait aggressiveness to be related to sensitivity to situational provocation; however, little research has examined whether it is also related to insensitivity to situational inhibitors. This study examines the relationship between trait aggressiveness and aggressive behavior in a provocative context with, and without, an unambiguous inhibitory stimulus. Prior to experiencing provocation and being afforded the opportunity to retaliate, participants who varied in trait aggressiveness were explicitly given (or not given) an instruction that aggressive behavior might lead to aversive consequences and, thus, one should not behave aggressively. Findings revealed that without the instruction, those higher in trait aggressiveness exhibited steeper increases in aggressive responding as provocation increased. In the group that received the instruction, trait aggressiveness was unrelated to aggressive responding at all levels of provocation.


Partner abuse | 2011

Expected Outcomes of Dating Violence: Perspectives From Female Perpetrators

Andrew M. Sherrill; Nicole Wyngarden; Kathryn M. Bell

Despite recent growth in female dating violence perpetration research, little is known about college women’s expected outcomes of physical aggression perpetration in a dating relationship. Furthermore, no known studies have investigated women’s expected outcomes of dating aggression within the context of a specific dating violence episode or examined the extent to which expected outcomes are consistent or inconsistent with actual dating aggression outcomes. The purpose of this study is to qualitatively investigate the range of dating violence expected and actual outcomes reported by college women with a recent history of physical dating violence perpetration. Twenty female undergraduate students completed individual contextually based interviews regarding their expected and actual outcomes of physical dating aggression perpetration surrounding their most recent dating violence episode. Interviews were analyzed using a theoretical thematic analysis approach. Nine main expected outcome themes reflecting a range of both rewarding and punitive consequences were identified, including no expectations—just reacted, nothing would happen, escape or end aversive interaction with partner, modify partner attention, increase partner compliance, increase physical space. facilitate communication, alter emotional state, and partner retaliation. Interestingly, use of physical aggression to stop or blunt partner’s physical aggression was not an expected outcome reported by any of the participants. Findings indicate that participants’ expected outcomes were often consistent with the actual outcomes of dating aggression. However, a subset of participants also reported actual outcomes inconsistent with expectations and many reported additional unanticipated outcomes. Study limitations, clinical implications, and directions for future research are discussed.


Memory | 2018

The effects of state anxiety on analogue peritraumatic encoding and event memory: introducing the stressful event segmentation paradigm

Andrew M. Sherrill; Christopher A. Kurby; Michelle M. Lilly; Joseph P. Magliano

ABSTRACT Cognitive theories of PTSD argue that poor recall of trauma memories results from a stress-induced shift toward perceptual processing during encoding. The present study assessed the extent to which self-reported state anxiety affects event segmentation and its subsequent impact on memory performance (recall and recognition). Event segmentation is the cognitive process of condensing continuous streams of spatiotemporal information into discrete elements. In this study, undergraduates without PTSD used a computer programme to segment a stressful film and a non-stressful film and then they completed memory tasks for each film. For the stressful film, low memory performance was associated with high segmentation performance. A meditational analysis revealed high segmentation performance mediated a negative relationship between state anxiety and memory performance. Additionally, ad-hoc analyses suggest perceptual processing primarily drives segmentation of the stressful film and conceptual processing primarily drives segmentation of the non-stressful film.


Journal of contextual behavioral science | 2015

Fear of self-compassion and psychological inflexibility interact to predict PTSD symptom severity

Lynsey R. Miron; Andrew M. Sherrill; Holly K. Orcutt


Journal of applied research in memory and cognition | 2017

Psychopathology Applications of Event Perception Basic Research: Anticipating the Road Ahead using Posttraumatic Stress Disorder as an Example

Andrew M. Sherrill; Joseph P. Magliano


Journal of Psychopathology and Behavioral Assessment | 2016

Present Moment Contact and Nonjudgment: Pilot Data on Dismantling Mindful Awareness in Trauma-Related Symptomatology

Christine E. Valdez; Andrew M. Sherrill; Michelle M. Lilly

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Rolf A. Zwaan

Erasmus University Rotterdam

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Christopher A. Kurby

Northern Illinois University

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Michelle M. Lilly

Northern Illinois University

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Nicole Wyngarden

Northern Illinois University

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Alan Rosenbaum

Northern Illinois University

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Greg M. Reger

University of Washington

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