Psychology Commons^™

Association Between Greater Cerebellar Network Connectivity And Improved Phonemic Fluency Performance After Exercise Training In Older Adults, Junyeon Won, Yasmeen Faroqi-Shah, Daniel D. Callow, Allison Williams, Adewale Awoyemi, Kristy A. Nielson, J. Carson Smith

Psychology Faculty Research and Publications

Little is known about the effects of exercise training (ET) on lexical characteristics during fluency task and its association with cerebellum functional connectivity. The purposes of this study were (1) to investigate whether ET alters response patterns during phonemic and semantic fluency tasks and (2) to assess the association between ET-related changes in cerebellum functional connectivity (FC) and lexical characteristics during fluency tasks. Thirty-five older adults (78.0 ± 7.1 years; 17 mild cognitive impairment (MCI) and 18 healthy cognition (HC)) underwent a 12-week treadmill ET. Before and after ET, cardiorespiratory fitness tests, phonemic and semantic fluency tests, and resting-state fMRI …

Stability Of Hippocampal Subfield Volumes After Trauma And Relationship To Development Of Ptsd Symptoms, C. N. Weis, E. Kate Webb, Ashley A. Huggins, Maddy Kallenbach, Tara A. Miskovich, Jacklynn M. Fitzgerald, Kenneth P. Bennett, Jessica L. Krukowski, Terri A Deroon-Cassini, Christine L. Larson

Psychology Faculty Research and Publications

Background

The hippocampus plays a central role in post-traumatic stress disorder (PTSD) pathogenesis, and the majority of neuroimaging research on PTSD has studied the hippocampus in its entirety. Although extensive literature demonstrates changes in hippocampal volume are associated with PTSD, fewer studies have probed the relationship between symptoms and the hippocampus’ functionally and structurally distinct subfields. We utilized data from a longitudinal study examining post-trauma outcomes to determine whether hippocampal subfield volumes change post-trauma and whether specific subfields are significantly associated with, or prospectively related to, PTSD symptom severity. As a secondary aim, we leveraged our unique study design sample …

Does Working Memory Capacity Modulate The Relationship Between Intentional Mind-Wandering And Task Demand?, Stephen Ware

Electronic Theses, Projects, and Dissertations

Mind wandering (MW) is affected by multiple factors. Among those factors, the present study investigated the effects of working memory capacity on task demands on types of mind wandering. It was hypothesized that individuals with high working memory capacity (WMC) would show more intentional mind wandering in a low demanding task, and in this case, task performance would not be impaired. On the other hand, individuals with low working memory capacity would show more unintentional mind wandering in the high demand condition; therefore, task performance would be affected. Task demand was manipulated with verbal n-back tasks and WMC was measured …

Inducing Proactive Control With High Load Ax-Cpt, Mina Selim

Electronic Theses, Projects, and Dissertations

A central hypothesis of cognitive control is that goal maintenance operates via two distinct modes: proactive control and reactive control (Braver, Gray, & Burgess, 2007). Individuals using a proactive strategy, focus on actively maintaining goal-relevant information in memory, whereas reactive individuals store goal-relevant information and retrieve it when cues are present. This theoretical framework for understanding the sources of variation in cognitive control is termed the dual mechanisms of control (DMC). When compared to high working memory capacity (WMC) individuals, low WMC individuals tend to utilize reactive control more often. However, some factors influence an individuals’ bias towards one type …

I Am Out, Now What?: The Double-Edged Sword Of Being Justice-Involved, Eric J. Cazares

Electronic Theses, Projects, and Dissertations

The United States (U.S.) is at the forefront when it comes to sending its citizens to correctional facilities. The U.S. prison population is estimated to be around 2,100,000, with China trailing at 1,700,000. With staggering incarceration rates, both nationally and locally, officials have begun to act by enacting legislation that would reduce California’s prison population. According to the National Institute of Justice (2015), however, two-thirds (67.8%) of released individuals will recidivate within three years. One critical avenue in reducing recidivism is employment; justice-involved individuals who find employment are less likely to reoffend. Little is known about justice-involved organizational experiences, specifically, …

The Asymmetric Effect Of Sentiment On Equity Returns, Mishal Ahmed

Dissertations

In the first chapter titled “The Asymmetric Effect of Sentiment on U.S. Equity Returns”, we test the asymmetric impact of investor sentiment, proxied by the Baker-Wurgler (2007) investor sentiment index, on expected stock returns in the U.S. We regress sentiment on market and economy-wide fundamentals, use the residuals as a measure of excess sentiment and estimate long-horizon return regressions using positive and negative components of excess sentiment as predictors. We hypothesize that excessive optimism leads investors to make significant portfolio changes whereas excessive pessimism makes investors more cautious about investing, due to loss aversion. Primary results confirm our hypothesis with …

Non-Affirmation As A Moderator Between Social Support And Quality Of Life For Transgender Populations, Michael Evitts

Dissertations

This research builds upon scholarship exploring the quality of life of transgender populations. Knowledge on quality-of-life (QOL) for transgender populations has been limited due to the fact that most studies have focused on gender affirming medical procedures as interventions (Nobili et al., 2018). Other protective factors, such as social support, have been identified in the literature but have been defined in broad terms. The purpose of the study was to better understand additional factors that promote QOL and psychological well-being, specifically social support. It is unclear how non-affirmation of gender identity affects the protective effects of social support for QOL. …

Exploring Generational Difference Of Acculturation, Ethnic Identity And Racial Identity In Liberian Immigrants And Their Children Living In The United States, Breezie J. Gibson

Dissertations

Prior literature on immigrants has focused on the impact of acculturation for groups such as Asians and Hispanic or Latinx immigrants (Orjiako & So, 2014; Sall, 2019). Compared to these two groups, the literature on Black immigrants’ experience of acculturation is scarce. In addition to the minimum visibility of Black immigrants in the acculturation literature, there is also limited knowledge relating to differences in the ethnic identity and racial identity of Black immigrants because these immigrants are often grouped monolithically with minimum attention to their diverse countries of origin. Understanding the influence of acculturation, ethnicity, and race is important because …

Racial Identity, Masculinity, And Academic Help-Seeking Behaviors In African American Male College Students, Walter T. Malone

Dissertations

The purpose of this study was to examine the influence of Black racial identity attitudes, as measured by the Cross Racial Identity Scale (CRIS), and masculine norms, as measured by the Conformity to Masculinity Norms Index -46 (CMNI-46), in relation to men's academic helpseeking behavior. Participants were 120 African American undergraduate males at a historically White university in the Midwest region of the United States. Four hypotheses were designed to help guide the measure's influences on two academic help-seeking variables, avoidance and perceived benefits. The first and second hypotheses both focused on the effects of Black college men's racial attitudes. …

Compassion For Self-Identity: An Evaluation Of A Compassion-Based Intervention For Stigmatized Sexual Identities, Du T. Nguyen

Dissertations

Sexual minority persons often experience notable negative mental and physical health disparities when compared to their heterosexual counterparts. According to the minority stress framework, it is posited that these discrepancies are due to additional, group-specific stressors that they experience beyond stress felt by the general population. One such minority stress variable that has received considerable attention is sexual stigma. Not only has sexual stigmatization been found to be related to negative mental and physical health outcomes, it has also previously been found to hinder adaptive emotion regulation.

Due to the minority stress felt by sexual minority persons, there is a …

Contingent Reinforcement And Instructed Generalization In A Laboratory Analog Of Functional Analytic Psychotherapy: A Mixed Within-Group, Between-Group Design, Rebecca Rausch

Dissertations

Functional Analytic Psychotherapy emphasizes using social interactions in the therapeutic relationship to enhance interpersonal outcomes. The proposed mechanism of action in FAP is reinforcement provided by the therapist responding contingently to client improvements as they occur in session. The result is a stronger therapeutic relationship and improved social relating in daily life. Generalization is expected due to functional similarities inherent in interpersonal interactions and explicit attempts to link in-session learning to clients’ life via verbal descriptions and homework. The present study was a laboratory-based analog of the proposed processes occurring in FAP.

Using a modified fast friends’ procedure (FFP) and …

Preclinical Behavioral Assessment Of Chronic, Intermittent Low-Dose Psilocybin In Rodent Models Of Depression And Anxiety, Harmony I. Risca

Dissertations

Recent studies have demonstrated the clinical efficacy of psychedelic-assisted psychotherapy for treatment-resistant depression and anxiety. Amidst the overall success of recent clinical trials using a single high dose of psilocybin, anecdotal reports indicate anxiolytic and antidepressant effects following a repeated low dose regimen. As therapeutic outcomes are often tightly intertwined with the individual’s subjective experience, animal models are used as objective measures to investigate the underlying mechanisms responsible for the putative antidepressant/anxiolytic effects of psychedelics. Three rodent models predictive of anxiolytic or antidepressant effects were used to evaluate effects of chronic intermittent low dose (CILD) psilocybin treatment; the Light/Dark conflict …

Are Gaming And Gambling Disorders Related? Examining The Roles Of Money, Relative Deprivation, And Upward Mobility, Anthony J. King

UNLV Theses, Dissertations, Professional Papers, and Capstones

Few studies have examined the financial motives and risks involved in modern video games, as well as the psychosocial factors contributing to this type of gaming involvement. Previous research on gambling has shown financial motives alone to be a major risk factor for the development of gambling disorder, with higher levels of personal relative deprivation (PRD) identified as a main contributor to this relationship. Therefore, the present study investigated whether this association applied to US adult video gamers, and if it would predict their problematic gaming behaviors. We hypothesized PRD and gaming disorder severity would have a positive association, with …

Exploring The Relation Between Musical And Dance Sophistication And Musical Groove Perception, Samantha R. O'Connell

UNLV Theses, Dissertations, Professional Papers, and Capstones

Listening to groovy music is an enjoyable experience and a ubiquitous human behavior in some cultures. Specifically, many listeners agree that high-groove songs are enjoyable, familiar, and likable compared to low-groove songs. While the pleasurable and dance-inducing effects of musical groove listening seem omnipresent, what is less known is how subjective feelings towards music, individual musical or dance experiences, or more objective musical perception abilities are correlated with the way we hear music with groove. Therefore, the present online study aimed to evaluate how musical and dance sophistication relates to musical groove perception. One-hundred and twenty-four participants completed an online …

Measures And Conceptualizations Of Symptoms In Schizophrenia, Nina B. Paul

UNLV Theses, Dissertations, Professional Papers, and Capstones

Schizophrenia presents as a heterogenous disorder characterized by diverse expression of symptoms between individuals. Thus, clinicians and researchers rely on comprehensive symptom measures for diagnosis and treatment. This dissertation investigated two symptom measures, the Positive and Negative Syndrome Scale (PANSS; Kay, Fiszbein, & Opler, 1987), a commonly used scale that assesses a broad range of symptoms of schizophrenia, as well as the Brief Negative Symptom Scale (BNSS; Kirkpatrick et al., 2011; Strauss et al., 2012), a novel scale that focuses on the assessment of five negative symptom domains (i.e., anhedonia, asociality, avolition, blunted affect, and alogia). The first study of …

Young Adults With Disabilities Acquire Vocational Skills With Video Modeling, Carly Schroeder-Mackay

Dissertations

Students with disabilities often require substantial support to acquire the skills needed to secure work experience and paid employment. Special education transition programs have an obligation to utilize evidence-based practices to facilitate the acquisition of such skills. In the present project, three studies were conducted to examine the effects of video modeling on the acquisition, maintenance, and generalization of job-related tasks taught in a classroom setting to young adults with developmental disabilities. In Study 1, a multiple baseline across behaviors experimental design with four participants was used to assess the effects of video prompts on the percentage of correctly completed …

To Write Or Type? A Comparison Of Flashcard Creation Methods On College Students’ Exam Scores, Sally Weigandt

Dissertations

College students frequently use flashcard-based study methods to prepare for exams and other course-related activities (Kornell & Bjork, 2007; Kornell & Bjork, 2008; Hartwig & Dunlosky, 2012, Wissman et al., 2012). Despite the popularity of flashcards, there has been little research evaluating the various methods used by students to create the flashcards and how those methods effect learning outcomes (Sage et al., 2016; Sage et al., 2019). The rise in popularity of web-based flashcard applications such as Quizlet (https://www.quizlet.com) and Cram (https://www.cram.com), combined with an increase in online learning, has produced a need for formal evaluation of handwriting versus typing …

Modeling Real And Fake News Sharing In Social Networks, Abishai Joy

Boise State University Theses and Dissertations

Online media is changing the traditional news industry and diminishing the role of journalists, newspapers, and even news channels. This in turn is enhancing the ability of fake news to influence public opinion on important topics. The threat of fake news is quite imminent, as it allows malicious users to share their agenda with a larger audience. Major social media platforms like Twitter, Facebook, etc., are making it easy to spread fake news due to the minimal moderation/ fact-checking on these platforms.

This work aims at predicting fake and real news sharing in social media. Specifically, we employ a multi-level …

Presumed Illegal Microaggressive Experience (Prime): A Microaggression Targeting Latinx Individuals, Aldo M. Barrita

UNLV Theses, Dissertations, Professional Papers, and Capstones

In the US, people of color (PoC) are consistently the targets of microaggressions, a form of everyday racism (Pierce et al., 1977; Chavez, 2013) manifested in brief, commonplace, daily slights and indignities (Sue et al., 2007). After the 2016 elections, Americans immediately reported an increase in social tensions across racial groups (Pew Research, 2017). Latinxs, in particular, reported a steep rise in experiences with racial and ethnic discrimination (Gomez & Perez Huber, 2019; Jones et al., 2019), particularly around the context of immigration status (Santos et al., 2021). No previous research, however, has explored the experience of assumed illegality based …

It’S Not You, It’S Me: Measuring Erotic Self–Focus, Evan Fertel

UNLV Theses, Dissertations, Professional Papers, and Capstones

Research suggests the presence of a non-relational aspect of women’s sexuality wherein a focus on oneself may be linked to elevations in sexual desire/arousal. Some theorists have even asserted that women may be, in some ways, their own sexual objects. Building on a previous exploration of what is now termed Erotic Self-Focus (ESF; Fertel, 2015), the present study developed a refined measure of ESF to further assess the validity and nature of this new construct. An exploratory factor analysis revealed four factors: Arousal to Own Body, Self/Own-Gender Focus vs. Partner/Other-Gender Focus, Self-Focused Arousal – Physical, Self-Focused Arousal – Mental. Although …

Defining Problematic School Absenteeism: Identifying Youth At Risk, Mirae J. Fornander

UNLV Theses, Dissertations, Professional Papers, and Capstones

Study 1: School attendance is an important foundational competency for children and adolescents, and school absenteeism has been linked to myriad short- and long-term negative consequences, even into adulthood. Many efforts have been made to conceptualize and address this population across various categories and dimensions of functioning and across multiple disciplines, resulting in both a rich literature base and a splintered view regarding this population. This article (Part 1 of 2) reviews and critiques key categorical and dimensional approaches to conceptualizing school attendance and school absenteeism, with an eye toward reconciling these approaches (Part 2 of 2) to develop a …

Attention Bias In Irritability: A Social Information Processing Perspective, Breanna Garcia

UNLV Theses, Dissertations, Professional Papers, and Capstones

Social information processing (SIP) theory suggests a framework for understanding how individuals make sense of their world—from the cognitive tasks of perception and problem solving to the emotional tasks of integrating this information with one’s goals, motivational state, and arousal regulation. This framework has been integral for better understanding the etiology behind certain psychopathologies (such as depression or disruptive behavior disorders) as it is thought that bias early in attentional processes may have trickle down effects on later processing and decision making (Dodge, 1993). It is known that the attention biases early in the SIP model (e.g., encoding biases) differ …

Is Pristine Inner Experience Linked To Biology? An Examination Of Experience Across The Menstrual Cycle Among Women With Premenstrual Distress, Alek E. Krumm

UNLV Theses, Dissertations, Professional Papers, and Capstones

The link between mind and biology is intuitively known: We notice changes in our mood and behavior when hungry, in pain, or under the influence of substances. Yet, the specifics of this link—for example, how changes in biology affect directly apprehended conscious experience— are not well known. The present study was an exploratory attempt toward filling that gap by using a state-of-the-art, beeper-driven method for exploring directly apprehended conscious experience (Descriptive Experience Sampling; DES) across one of the most predictable and wellknown biological cycles: menstruation. We screened approximately 300 college women to identify those who reported clinically significant symptoms of …

Understanding Community Resilience Resources And Experiences Of Inequity Within The Lgbtq+ Community: Implications For Identity And Mental Health Disparities, Joshua G. Parmenter

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Being a part of the lesbian, gay, bisexual, transgender, and queer plus (LGBTQ+) community has been linked with positive well-being. Research has established that the LGBTQ+ community has community-level resources (e.g., connection, belonging, shared hardships) that sexual and gender diverse people can utilize to cope in the face of discrimination (i.e., community resilience). However, due to various forms of discrimination and oppression, those with marginalized identities within the LGBTQ+ community (i.e., LGBTQ+ people of color, plurisexual, gender diverse) may not have equal access to LGBTQ+ community resilience resources.

This dissertation is composed of three separate studies aimed at understanding sexual …

Religious Sexual Minorities And Suicide Risk: The Moderating Role Of Lgbq And Religious Belongingness, Samuel Skidmore

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This study aimed to provide insights into the experiences of lesbian, gay, bisexual, or queer/questioning (LGBQ) people within the Church of Jesus Christ of Latter-day Saints (CJCLDS), and to explore how aspects of sexuality and religiousness relate to suicidal ideation. Through survey data from 910 participants across two separate studies, several conclusions were drawn. Feelings of belongingness in the CJCLDS may predict decreased suicidal ideation. LGBQ belongingness led CJCLDS service attendance to be more strongly predictive of suicidal ideation, whereas it decreased the negative effects of feeling negatively toward one’s sexual identity. More generally, concealing one’s sexual identity, feeling negatively …

Testing An Acceptance And Commitment Therapy Website For Hoarding: A Randomized Waitlist-Controlled Trial, Jennifer Krafft

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Hoarding disorder is relatively common and seriously affects those who experience it. However, it is difficult to access hoarding treatment, due to barriers such as availability and stigma. Moreover, only one treatment is well-established for hoarding (CBT), and it does not directly address important processes such as mindfulness and acceptance. Therefore, in order to make treatment more useful and easy to access, this study tested a self-help program that focused on teaching mindfulness and acceptance as related to hoarding. The self-help program was compared to a waitlist condition; participants were randomly assigned to use the website or wait 12 weeks. …

Extended Maternal And Paternal Hereditary Risk For Alzheimer’S Disease Examined By Sex In A Sample Of Community Dwelling Older Adults In Cache County, Utah, Elizabeth K. Vernon

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

More than 6 million Americans are living with Alzheimer’s Disease (AD) and this number is expected to rise and surpass 12.7million individuals by the year 2050. Currently there is no cure for the disease and prior research has focused on prevention by identifying risk factors. Known risk factors associated with AD include older age, female sex, genetics, family history of AD, genotype of the apolipoprotein E (APOE) gene, and vascular risk factors (e.g., cholesterol, hypertension) and conditions or events (e.g., CHF, stroke). The effects of many of the above risk factors have differed in men and women, but few studies …

A Program Evaluation Of Competency Training Within A College Student Health Center, Kala E. Randazzo

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Integrated primary care (IPC) is a method for providing medical and psychotherapy services within a single primary care setting. Doctoral psychology students pursuing a career in psychotherapy may receive training in IPC as doctoral students. However, the field of IPC has a limited understanding of the current quality of IPC training for doctoral psychology students. The current study utilized professional competency guidelines for practicing psychology in IPC settings to evaluate doctoral training provided at the Utah State University Student Health Center. Doctoral psychology training at the Student Health Center was evaluated for how well it provides training in IPC competencies …

Determinants Of Vaccine Hesitancy In Indonesia: A Scoping Review, Nuril Hanifah, Ike Herdiana, Rahkman Ardi

Makara Human Behavior Studies in Asia

Complete children immunization coverage in Indonesia declined from 59.2% in 2013 to 57.9% in 2016. Therefore, a study on understanding the vaccination barrier is necessary to improve future coverage. This scoping review aims to identify the determinants of vaccine hesitancy using the model of the World Health Organization-Strategic Advisory Group of Expert (WHO-SAGE) working group and to map them on the basis of region, target population, and vaccine. This research used publications from seven databases (Science Direct, Wiley, Scopus, SAGE, PubMed, Springer, and Taylor & Francis) from 2015 to 2020. A total of 10,212 publications were identified and filtered by …

An "I" For An "I": A Systematic Review And Meta-Analysis Of Instigated And Reciprocal Incivility, Lauren S. Park, Larry R. Martinez

Psychology Faculty Publications and Presentations

Incivility and its negative impacts on individuals, teams, and organizations have been widely studied in workplace contexts, but the literature lacks a comprehensive understanding of incivility from the instigator's perspective. This meta-analysis of instigated incivility included 35,344 workers from 76 independent samples. Results showed that instigated incivility was related to several correlates including psychological ill-being, ρ = .36, and well-being, ρ = -.17; physical well-being, ρ = -.25; personal dispositions that are risk factors, ρ = .47, and preventative factors, ρ = -.34; negative, ρ = .28, and positive, ρ = -.33, job attitudes; positive team characteristics, ρ = -.28; …