Psychology Commons^™

The Role Of Adolescent Attachment In The Relationship Between Trauma And Identity, Ellie Mitova

Graduate Studies Theses and Dissertations 2026

Traumatic experiences have been shown to influence identity development during emerging adulthood, a complex developmental period. However, research examining how trauma interacts with adolescent attachment qualities to shape identity processes remains limited. Previous studies have primarily focused on infant attachment styles and their long-term developmental outcomes, leaving a gap in understanding how attachment qualities developed through relationships with parents and peers during adolescence may influence identity development in emerging adults. Additionally, while traumatic experiences have been associated with maladaptive identity processes such as rumination and identity distress, some research suggests that trauma may also contribute to deeper identity exploration and …

Examining Attrition In Rtms For Smoking Cessation: The Roles Of Perceived Research Burden And Delay Discounting, Miranda Proctor

Graduate Studies Theses and Dissertations 2026

This secondary analysis examined predictors of attrition in a randomized clinical trial conducted by Roswell Park Comprehensive Cancer Center evaluating repetitive transcranial magnetic stimulation (rTMS) for cigarette smoking cessation. Smoking cessation reduces cancer risk and mortality and improves mental health outcomes. Although rTMS shows promise for supporting sustained abstinence by targeting neurobiological mechanisms underlying nicotine dependence, participant attrition threatens statistical validity, reduces power, and limits generalizability. Identifying predictors of attrition is therefore critical for optimizing trial design and retention.

Research examining predictors of attrition in smoking cessation trials remains limited. Prior work in other clinical populations suggests that higher perceived …

Black Mothers' Experiences Of Birth Trauma: A Conceptual Analysis And Mixed-Methods Study To Advance Perinatal Mental Health Counseling, Lisa Rickman

Graduate Studies Theses and Dissertations 2026

This dissertation study follows the manuscript model and consists of two manuscripts, one conceptual manuscript and one empirical study, both focusing on the experiences of Black mothers following psychologically and physically traumatic childbirth. The conceptual manuscript centers birth trauma within the social, historical, and cultural contexts of perinatal mental health disparities and obstetric racism. This framework guides clinicians in centering Black mothers’ needs utilizing Relational Cultural Theory to promote equitable perinatal mental health practice. The empirical study employs a phenomenological sequential mixed methods approach prioritizing interview data collected from Black mothers who experienced birth trauma. This study also explores their …

Modeling Hazard Perception Learning In Novice Drivers With Autism: A Multimodal Simulation-Based Study, Erik J. Sand

Graduate Studies Theses and Dissertations 2026

Young drivers with autism spectrum disorder (ASD) often demonstrate difficulties with road-surveillance behaviors such as scanning ahead, monitoring mirrors, and identifying emerging hazards. These challenges can increase crash risk, particularly for adolescents with limited driving experience. This study explored whether a simple, video-game–based hazard-training program could improve hazard detection performance, visual scanning, and self-regulation in this population. Five participants aged 15–18 years, each identified by a parent as having ASD and possessing either a learner’s permit or no license, completed sequential Baseline, three Treatment, and Withdrawal phases using the SpeedLimit driving simulation. The study employed a single-case experimental design with …

Source Credibility And Chatbots: How Design Factors Impact Chatbot Effectiveness, Kristen M. Schmidt

Graduate Studies Theses and Dissertations 2026

Source credibility theory states that the more credible a source appears to be, the more likely one is to believe both true and untrue information from it. In the modern day, misinformation is considered a major problem, particularly with virtual communication, meaning it is essential to study what factors influence a system’s source credibility. Virtual agents are a particularly relevant subject of study given that their source credibility can be impacted by both technological and social factors. Across three experiments, this dissertation utilized a novel chatbot interaction design to test how varying design factors would impact a chatbot’s source credibility …

Tl;Dr (Too Long; Didn't Read): Examining The Assessment And Causes Of Careless Responding Within Experimental Vignette Studies, David L. Sexton Jr.

Graduate Studies Theses and Dissertations 2026

Careless responding occurs when participants answer survey items without considering their content and poses a serious threat to data quality. However, while past research has examined its deleterious effects on both survey and low-stakes cognitive ability measures, little research has focused on careless responding in experimental vignette methodology (EVM) research. EVM studies require participants to attend to one or more experimental vignettes, which are carefully crafted written scenarios designed to manipulate a focal variable across conditions. However, if participants are careless in attending to study vignettes, they may not be exposed to the researchers’ intended experimental manipulations, thereby precluding them …

Examining Relationships Between Pre-Arrival Information, Perceived Preparedness, And Distressing Call Outcomes Among Firefighters, Victoria L. Steigerwald

Graduate Studies Theses and Dissertations 2026

Responding to distressing emergency calls increases firefighters’ risk for negative mental health outcomes, including posttraumatic stress disorder, warranting investigation into factors that can be targeted to reduce their risk for call-related distress. The present study examined whether the completeness of pre-arrival information about a distressing call reduced firefighters’ peri- and post-call distress via their perceived preparedness for the call and whether general self-efficacy moderated the relationship between pre-arrival information completeness and perceived preparedness. Data were analyzed from 173 active firefighters in the United States (89.0% male, mean age=37.98 years) who completed an online survey asking them to report on levels …

For Whom The Tale’S Told: Multilevel Perspective On Narrative And Identity In Information Ecosystems, Jihye Song

Graduate Studies Theses and Dissertations 2026

In contemporary online information environments, narratives do not merely convey facts. They organize meaning, signal identity, and guide collective sensemaking. During periods of crisis and uncertainty, these processes become especially salient, as individuals and communities turn to social media to interpret unfolding events. At the same time, these environments are shaped by complex sociotechnical dynamics, including platform affordances, algorithmic amplification, elite influence, and grassroots participation. These dynamics form ecosystems in which narratives and identities are constructed, contested, and stabilized. Drawing on theory and empirical analyses of COVID-19 discourse on Twitter, this work develops and applies a multilevel framework to explain …

Resources And Coping Strategies In Adverse Work Situations: A Person-Centered Approach, Chad Yagey

Graduate Studies Theses and Dissertations 2026

The resilience process model highlights an approach to how people mobilize their resources to cope and positively adapt in the face of adversity. Leveraging Conservation of Resources (COR) theory and the Work Home Resources Model (WHRM), I aim to uncover the extent to which resilience capacity (resources) and resilience enactment (coping) influence outcomes of resilience, offering one of the first empirical tests of the resilience process model. Specifically, COR theory posits that the more psychological resources someone has, the more successful they are in coping. I challenge this notion by examining whether specific profiles of the combination of resources available …

From Meaning To Memory: Assessing The Capacity And Representational Structure Of Visual Working Memory With Meaningful Stimuli, Yong Hoon Chung

Dartmouth College Ph.D Dissertations

Visual working memory is thought to be strictly limited. Yet we remember meaningful, real-world objects better than abstract stimuli. Here I show that this advantage arises from the semantic structure of meaningful objects, not their perceptual features alone, and that it extends even to memory for associated features such as color. In the brain, meaningful objects elicit greater and more distributed delay activity, consistent with the recruitment of higher-level neural processes during maintenance. I propose that semantic knowledge adds representational dimensions that make items more distinctive, and that these dimensions are organized hierarchically with lower-level visual features. These findings recast …

The Effects Of Episodic Facilitation And Immersion On Memory Formation During Learning Of An Exterior Preflight Inspection Procedure, Nathan A. Sonnenfeld

Graduate Studies Theses and Dissertations 2026

This research examined the use of episodic facilitation—instructional elements aligned with episodic memory (EM) processes—to affect learners’ memory of simulation training for an aviation procedure. Despite its assumed benefits in industry and theory, virtual reality (VR) has shown limited advantages over conventional media for training procedures, in part because prevailing frameworks emphasize semantic and procedural outcomes, leaving memory of training experiences as events underexamined. To address this gap, this work advances human factors research by examining EM as a design consideration, an outcome, and an explanatory mechanism for how simulation training experiences are remembered. Grounded in theories of EM and …

Measurement Invariance Of Transtheoretical Model-Based Measures For Covid-19 Vaccination Readiness, Allegra Opiela

Open Access Dissertations

Purpose. To assess the measurement invariance of four novel Transtheoretical Model (TTM)-based measures for readiness to get vaccinated for COVID-19. Design. Cross-sectional.

Setting. Online survey study in the United States (US).

Participants. 1169 US-based adults aged 18-85.

Measures. Demographics, Stage of Change, Vaccination History, Decisional Balance, Self-efficacy, Myths, and Barriers to COVID-19 vaccination.

Analyses. Multigroup confirmatory factor analyses with increased restraints on model parameters to assess configural (no constraints), metric (factor loadings constrained), and scalar invariance (factor loadings and item intercepts constrained) in a sequential manner.

Results. Decisional Balance, Myths, and Barriers demonstrated scalar …

Estimating The Average Treatment Effect In Randomized Controlled Trials With Incomplete Covariates, Elizabeth M. Pauley

Open Access Dissertations

Randomized controlled trials (RCTs) are commonly used to estimate average treatment effects (ATEs), with baseline covariates often included to improve precision and statistical power for detecting those effects. In applied settings, covariates can be incomplete, and some may moderate treatment effects, leading to heterogeneous treatment effects (HTE). Literature lacks clear direction regarding whether incomplete covariates should be included when estimating the ATE and how different missing data handling methods perform in such conditions. This study aimed to evaluate the performance of four missing data handling methods in RCTs via Monte Carlo simulations, namely listwise deletion (LD), inverse probability weighting (IPW), …

Protective Behavioral Strategies On Alcohol And Cannabis Co-Use Occasions, Sabrina Todaro

Open Access Dissertations

Simultaneous use of alcohol and cannabis, or co-use (i.e., the use of both substances so that effects overlap), is an increasingly significant public health concern among young adults between the ages of 18 and 25 in the U.S. (SAMHSA 2025; Terry-McElrath & Patrick, 2018). Protective behavioral strategies (PBS; i.e., tactics used to modify or limit substance use related harm; Pearson, 2013) have been robustly linked to fewer negative outcomes (e.g., lower use quantity, frequency, and consequences) for alcohol- and cannabis-only occasions (Bravo et al., 2016; Bravo et al., 2017; Bravo et al., 2019; Pearson, 2013; Pedersen et al., 2016; Pedersen …

An Experimental Investigation On The Influence Of Emotion On Craving And Alcohol Consumption Among Women, Melissa C. Rothstein

Open Access Dissertations

A burgeoning literature suggests that alcohol use, rates of binge drinking, rates of alcohol use disorder, and experiences of alcohol-related consequences are increasing among women in comparison to men (Adams et al., 2022; Baraona et al., 1991; Peltier et al., 2019; White, 2020). As such, alcohol use among women is a growing public health concern, but historically, most existing research, including interventions, has focused on men (Agabio et al., 2017; Holzhauer et al., 2020; Maxwell et al., 2022; Verplaetse et al., 2021; White, 2020). Although there is a large literature on the role of negative emotion in alcohol use (Austin …

Intensive Longitudinal Methods: Toward A Psychological Science Of Daily Life, Jean-Philippe Laurenceau, Ana M. Digiovanni, Niall Bolger

Department of Psychology Faculty Scholarship and Creative Works

Intensive longitudinal methods (ILMs) represent a class of longitudinal designs used to understand the flow of people's thoughts, feelings, physiology, and behaviors in their natural settings. This term encompasses daily diaries, experience sampling, ecological momentary assessment, ambulatory assessment, and related methods. Research on ILMs has grown exponentially, evolving into a core approach that complements more traditional designs. This article builds on this journal's first review on this topic, published in 2003. In the quarter-century since, there have been marked advances in design, technology, and statistical modeling. Three core ideas permeate this review: To build adequate theories of psychological functioning in …

Evaluation Of The Healthy Eating And Recovery Together (Heart) Digital Health Intervention To Support Head And Neck Cancer Caregivers And Survivors, Katherine R. Sterba, Jessica L. Burris, Rong Duan, Benjamin A. Toll, Kent Armeson, Christina Sithideth, Bhishamjit Chera, Kenneth Ruggiero, Evan M. Graboyes

Psychology Faculty Publications

Background: Head and neck cancer (HNC) survivors and their caregivers face significant challenges at the end of treatment and interventions are critically needed to support their needs. The Healthy Eating and Recovery Together (HEART) intervention includes a needs assessment and tailored care plan for dyads and an application (App) for caregivers. The objectives of this trial were to evaluate the feasibility, acceptability, and short-term effects of HEART on unmet needs and depression in HNC survivors and caregivers.

Methods: In a single arm clinical trial, HNC caregivers and survivors (n=23 dyads) completed baseline surveys followed by an in-person or virtual HEART …

Neuropsychological Predictors Of Adult Adhd: An Archival Analysis From A University-Based Assessment Clinic, Abigail M. Obenski

PCOM Psychology Dissertations

Adult Attention-Deficit/Hyperactivity Disorder (ADHD) is associated with significant functional impairment, but uncertainty remains regarding the relative clinical utility of commonly used neuropsychological measures in comprehensive ADHD evaluations. The present study examined the predictive and incremental value of nine assessment measures commonly used in adult ADHD evaluations. Using a retrospective archival design, data from 125 adults referred for educational or vocational neuropsychological evaluations for ADHD at a university-affiliated clinic were analyzed. Symptom elevation was approximated by the ADHD Index from the self-report form of the Conners Adult ADHD Rating Scales (CAARS). Predictors included the Behavior Rating Inventory of Executive Function – …

Preserving Progress: Why The Dd Network Matters Now More Than Ever, Matt Wappett

Developmental Disabilities Network Journal

No abstract provided.

Emotional And Social Perception In Hearing And Deaf Individuals, Julie Klenotic

Williams Honors College, Honors Research Projects

This study will compare the differences in emotional recognition and social dynamic understanding between hearing and Deaf people. I will investigate the differences in these areas between hearing and Deaf individuals, as well as the role American Sign Language use has in performance. It will utilize point light walkers which will display the emotions happy, angry, sad, and neutral. Participants will be asked which emotion is being displayed based on the presented gait of the point light walker. Second, they will view 15 videos from the Interpersonal Perception Task without audio. The questions from the IPT 15 will then be …

The Implementation Of A Token Economy On The Behaviors Of Children With Adhd, Dominic M. Hritsko

Williams Honors College, Honors Research Projects

The Saturday Treatment Program (SatTP) is a ten-day treatment program that was designed through the Cleveland Clinic and takes place at a middle school on Saturdays during the school year. The program design follows that of the Summer Treatment Program, where counselors utilize a comprehensive point system that is part of a token economy to evaluate children’s behaviors (ADHD summer treatment program). I will be working with other counselors led by Dr. Hallie Fetterman Ph.D., a pediatric psychologist, to deliver the program and evaluate the behaviors of sixteen children. The program is split into three age groups: six through …

Fostering Social Support On College Campuses, Shannon G. Kirkpatrick

Williams Honors College, Honors Research Projects

This research project aims to explore social support received while attending an undergraduate institution and what can be done to improve it. During undergraduate years, students are confronted with many new stressful experiences. Given that social support can serve as a protective factors, it is important to explore how it functions within the context of the undergraduate experience. Many students do not utilize campus counseling services, even if their mental health declines from lack of social support. Students must feel supported by those that they interact with on and off campus, and if they are not, they must have somewhere …

A Child On Stand: The Impact Of Experiencing Trauma On Children’S Testimonial Efficacy In Legal Proceedings, Morgan Sweger

Williams Honors College, Honors Research Projects

Children who are victims of physical, sexual, emotional, or verbal abuse are nearly always left deeply traumatized by such events. In extreme cases, abused children may be asked to testify against their abuser(s) in legal proceedings, recounting their trauma in front of a room full of strangers. For some, the trauma of abuse may influence a child’s ability to effectively recall and describe their experiences and for others, the process of participating in legal proceedings creates deeper wounds. Research has aimed to understand whether children lack the ability to contribute sufficient testimonies during investigations of abuse and how these investigations …

Neurobiological Determinants Of Psychopathy And Their Ethical Implications In Capital Punishment Cases, Brooklyn Lewis

Williams Honors College, Honors Research Projects

This literature review examines the relationship between the neurobiological determinants of psychopathy and the ethical implications of applying capital punishment to violent offenders. Drawing on research from neuroscience, psychology, and criminal justice, the paper explores how structural and functional differences in brain regions associated with emotional processing, impulse control, and moral reasoning are linked to psychopathic traits. The review synthesizes findings on how these neurobiological factors may contribute to an increased risk of violent behavior while emphasizing that such influences are not deterministic. The paper further analyzes how neuroscientific evidence is interpreted within legal contexts, particularly in relation to assessments …

A Systematic Review Of Socioeconomic Status On Infant-Directed Speech, Laura K. Flaker

Williams Honors College, Honors Research Projects

This project reviews the impact of socioeconomic status (SES) on infant-directed speech (IDS) and examines potential interventions aimed at increasing the use of IDS. Existing research indicates that caregivers from higher-SES backgrounds tend to use more frequent and higher-quality IDS, including greater vocabulary diversity and more responsive interactions, compared to caregivers from lower-SES backgrounds. These differences are often influenced by factors such as parental stress, limited time, and access to resources. Understanding the differences in IDS is crucial to reducing disparities in language development. Findings from this review suggest that interventions such as increasing access to mental health services and …

Locked And Loaded: The Truth Behind Gun Violence, Alana N. Shroyer

Williams Honors College, Honors Research Projects

Gun control remains one of the most controversial policy issues in the United States. While gun reform advocates argue for stricter firearm regulations to reduce gun violence, pro-gun advocates contend that crime is driven more by individual behavior, socioeconomic conditions, and mental health than by gun availability alone. This research project examines gun control laws in the United States, analyzes gun violence data, explores illegal firearm trade markets, compares international approaches, and evaluates whether gun control laws effectively reduce violence while preserving constitutional rights.

The Effect Of Automated Self-Monitoring On The Behavior Of Individuals Diagnosed With Pre-Diabetes Or Type 2 Diabetes, Leti Phillips Armenta

Cal Poly Humboldt theses and projects

Type 2 diabetes (T2D) and prediabetes affect millions of individuals in the United States and require effective self-management strategies to reduce glucose variability and improve health outcomes. This study evaluated the effects of automated self-monitoring using the Dexcom G7 continuous glucose monitor (CGM) on glucose management and health-related behaviors among adults diagnosed with prediabetes or at risk for T2D. A repeated-measures design was used to asses’ participants across two distinct 10-day periods. Data included CGM glucose readings, self-report questionnaires, and social validity measures. Results indicated that participants demonstrated reduced glucose variability, fewer prolonged glucose spikes, and increased engagement in health-related …

A Third Way: An Unlikely Professional Portfolio, Sami C. Pack-Toner

Graduate Student Portfolios, Professional Papers, and Capstone Projects

No abstract provided.

Perceptions Of Sport Psychology Efforts And Access In Women's Wheelchair Basketball, Lindsay C. Cohen

Theses and Dissertations--Kinesiology and Health Promotion

As the field of sport psychology grows, services and training programs must evolve to properly serve the evolution of athletes seeking care. This could mean discovering new measures, testing different types of interventions, or developing programs that can better accommodate specific populations that are looking for sport psychology services. One such population is para athletes, and although they have expressed interest in learning more about the field of sport psychology and how to implement mental skills efficiently, athletes have reported a lack of access to sport psychology services and sport psychology consultants (SPCs) (Dieffenbach et al., 2009). The purpose of …

A Wellness Approach To Aging, Retirement, And Suicide Risk: Gerontological Considerations, Seth T. Robinson, Derek J. Lee

Adultspan Journal

Suicide risk in older adulthood represents complex interactions between developmental transitions; changing social contexts; and interactions between ecological context and individual perceptions of belongingness, burdensomeness, and hope. This paper presents an integrative,developmentally appropriate framework for conceptualizing and addressing suicide risk in older adulthood, which is grounded in the Indivisible Self model of wellness. Drawing on current empirical knowledge of wellness, suicidality, and older adulthood, this paper presents risk and protective factors associated with older adulthood through life transitions, changing social contexts, and other relevant factors. We present a novel integration of suicide intervention, wellness, and holistic care as a suitable …