Psychology Commons^™

The Role Of Rhyme In Children’S Word Learning, Tengwen Fan

LSU Doctoral Dissertations

Rhyme increases the phonological similarity of phrases individuals hear and enhances recall from working memory. The present study explores whether rhyme aids word learning in children and examines the underlying neural mechanisms through which rhyme facilitates word learning. Thirty-four children between 6 and 8 years old completed a word learning task where they were exposed to 15 nonwords (NWs), four times each, in the sentence-final position as their EEG was recorded. Participants were randomly assigned to either a Rhyme or No-Rhyme group, where the NWs rhymed or did not rhyme with a prime real word in the sentence, respectively, during …

Examining The Effects Of Interdependent Group Contingencies As A Classwide Intervention To Reduce Unsafe Behavior On The Playground, Elizabeth K. Linton

LSU Doctoral Dissertations

The purpose of this study was to evaluate the effects of different class wide interdependent group contingencies on unsafe playground behavior and student preferences for each intervention. In Experiment 1, we assessed the effects of the Good Behavior Game (GBG) on unsafe behavior across three third-grade classes. The GBG effectively reduced unsafe playground behavior relative to baseline, though student-choice data indicated that students did not prefer the intervention. This finding prompted Experiment 2, in which we evaluated synchronous schedule of reinforcement (SSR) as a classwide interdependent group contingency and compared its effectiveness and preference to the GBG. Participants in Experiment …

Noncontingent Parental Attention Leads To Independent Play And Is Preferred By Toddlers Over Screen Time, Kristen Newell

LSU Doctoral Dissertations

Caregivers often rely on screen media to occupy young children during periods when caregiver attention is unavailable, despite evidence linking early screen exposure to adverse developmental outcomes. An alternative approach is to provide high-quality, noncontingent attention (NCA) during play prior to independent activity. Although NCA reduces attention-maintained challenging behavior, the optimal duration of NCA and children’s preference for caregiver interaction relative to screen time remain unclear. This study evaluated the effects of varying durations of caregiver-delivered NCA on young children’s independent play, attention-seeking behavior, and preference for NCA compared to screen time. Three caregiver–child dyads participated in a multielement design …

Comparing The Effects Of Suicide Stigma Reduction Interventions On Adult Help-Seeking Intentions: An Experimental Investigation, Max Stivers

LSU Master's Theses

With relatively few individuals who experience suicidal thoughts and/or behaviors (STB) engaging in formal treatment, one critical aspect of bridging the treatment gap is to reduce barriers to their seeking help (WHO, 2014). Stigma regarding suicide and mental health help-seeking has been identified as a barrier to care, inspiring development of interventions and public health campaigns targeting stigma reduction as a means of increasing help-seeking attitudes, intentions, and behavior (Corrigan et al., 2004). However, because efforts focusing specifically on reducing stigma may fail to address other logistical and psychosocial barriers to engaging with treatment, their broader impact in promoting help-seeking …

Setbacks And Stigmas: The Career Consequences Of Mental Health Treatment For Soldiers In Combat Roles, Micah Mark Marchand

LSU Master's Theses

This study examines how potential career consequences, perceived stigma, and confidentiality concerns influence mental health help-seeking among United States Army Soldiers, with particular attention to differences across Military Occupational Specialty (MOS) categories. Despite the availability of behavioral health services, many service members delay or avoid treatment due to fears that seeking care may negatively impact their careers, including risks to promotion, deployment eligibility, and retention. Guided by Systems Theory, this research explores how interconnected military structures, policies, and cultural norms shape these perceptions and behaviors.

Using a confidential survey design, data were collected from current service members and recently separated …

The Effects Of Dietary Protein Manipulation On Operant Demand, Brianna R. Lilly

LSU Master's Theses

Previous work with dietary protein restriction in rodents has demonstrated that rodents fed a low protein diet exhibit physiological effects such as lower rates of weight gain and increased levels of circulating fibroblast growth factor 21 (FGF21). Dietary protein restriction also produces behavioral effects. Compared to rodents that are not protein-restricted, rodents that are protein-restricted exhibit increased food intake and higher preference for a protein vs. carbohydrate solution. Additionally, protein-restricted rodents will respond at higher levels for a protein reinforcer than non-restricted rodents. The current study assessed the effect of dietary protein restriction on operant protein demand during and after …

Exploring The Well-Being Of Students: Mental Health Symptoms And Help-Seeking In Students With And Without Disabilities, Delaney M. Havrylkoff

LSU Master's Theses

Students with learning-related disabilities (LRDs) are a growing population in schools worthy of more holistic attention. This vulnerable population often receives support for their academic needs, while their mental health needs tend to get overlooked or untreated. Students with LRDs often face more negative experiences (e.g., lower academic performance, bullying, and peer victimization) in school compared to their peers without disabilities. As a result, they may experience higher levels of mental health issues. The purpose of this study was to examine the mental health status and service utilization of students with LRDs in schools compared to their peers without disabilities. …

Exploring The Recognition Of Internalizing Problems Among Black Students: Delving Into The Youth Mental Health Help-Seeking Pathway, Marketta A. Adams

LSU Master's Theses

The mental health of Black adolescents is a growing concern, with high prevalence rates of internalizing disorders such as anxiety and depression. National studies report that nearly 47% of Black adolescents experience a mental health disorder by age 18, with over 60% reporting moderate to severe depressive symptomology. Despite these alarming rates, Black youth underutilize mental health services, often due to cultural stigma, limited access to culturally competent care, and under-recognition of their mental health needs. This study aimed to explore problem recognition as a key component in the mental health help-seeking pathway for Black adolescents in school settings. Grounded …

Unraveling The Lullabies Of Learning: Exploring The Role Of Individual Components Of Infant-Directed Speech In Language Learning, Stephanie L. Lopez

LSU Doctoral Dissertations

Children learn language more effectively from infant-directed speech (IDS) than adult-directed speech (ADS). Three experiments were run (a pilot and two full experiments) testing the effects of pitch and pitch variability on segmenting a target word out of the speech stream and then associating it to an object. Visual prosody via eyebrow movements and lip contours were added as additional cues after the Pilot Study. Additional factors included after the Pilot Study were shortened sentences from 10 syllables each to seven syllables each, shortened target words from three syllables to two syllables, consistent syllable onset of target words, and two …

Testing The Utility Of The Three Good Things Intervention For Cannabis Misuse Among College Students, Paige Morris

LSU Doctoral Dissertations

College students experience high rates of cannabis use and use-related problems. Existing brief online interventions for cannabis misuse among college students do not significantly reduce cannabis use and use-related problems relative to control conditions. This may be due to limited consideration of the role of affect, given that cannabis is frequently used for managing affect, especially among individuals with greater depression and social anxiety. The present study sought to improve the efficacy of brief online interventions for cannabis misuse among college students by testing the efficacy of the Three Good Things (3GT; Seligman et al., 2005) intervention, a daily exercise …

Be Mindful: Examining A Brief Mindfulness Intervention On Educator Well-Being, Oceann S. Gittens

LSU Doctoral Dissertations

Teaching is currently rated as one of the topmost stressful occupations. Concerningly, chronic levels of stress can lead to poor mental and physical health, occupational burnout, and teacher attrition; all of which have a negative impact on student outcomes. Mindfulness-based interventions (MBIs) are commonly used to combat occupational stress by enhancing educator well-being. There is compelling evidence to support these types of interventions with teachers. However, the length of many MBIs may make them prohibitive for the average educator to participate in them. The literature suggests that a briefer format may be just as effective at reducing stress, but more …

Anxiety's Impact On Autism Spectrum Disorder Symtomology: An Investigation Into The Relationship Between Two Comorbities, Michaela Brown

LSU Doctoral Dissertations

Autism spectrum disorder (ASD) has been found to be frequently comorbid with many medical and psychological disorders, one of which is anxiety disorders. Research has shown that, when anxiety is present within ASD, various areas of the child’s functioning may be impacted, such as ASD symptom severity, emotional regulation skills, adaptability, social skills and daily living skills. The current study aimed to investigate this relationship of anxiety and ASD. First, within a sample of children and adolescents with ASD, the magnitude of the correlation between specific ASD symptoms parent-reported anxiety was compared to determine if certain ASD symptoms were more …

The Virtual Kitchen Challenge: Psychometric Validation In Cognitively Healthy And Impaired Older Adults, Ross M. Divers

LSU Doctoral Dissertations

Decline in everyday functioning is core diagnostic criteria for mild cognitive impairment (MCI) and dementia. While historically, MCI was considered a stage of generally persevered everyday functioning, it is now widely accepted that subtle though clinically meaningful changes in everyday function can be observed and are predictive of increased risk of future decline and conversion to dementia. Despite this, self and informant report questionnaires of everyday function largely fail to capture this subtle decline in those with MCI, while performance-based measures that may be able to capture this decline are rarely administered clinically due to their laborious administration. Performance-based measures …

Revalidation Of The Child Routines Questionnaire: Preschool, Christian Olivia Ledet

LSU Doctoral Dissertations

The implementation of consistent, structured routines is considered a positive parenting practice that enhances child development and is a protective factor for developing externalizing behavior problems, particularly for preschool-age children as they learn to regulate their behavior. In recent years, electronic media consumption has increased among children of all ages, and excessive use is related to negative outcomes for children. Thus, a measure assessing routines of preschool children with items related to electronic media routines is important to further understand how routines affect children’s emotional and behavioral regulation and their interactions with their parents. The purpose of the current study …

Distinguishing Primary And Secondary Anomalous Self-Experience Using Momentary Variability, Michael D. Masucci

LSU Doctoral Dissertations

Schizophrenia is associated with significant decreases in functioning and costly psychiatric hospitalization. However, it is frequently misdiagnosed due to phenotypic overlap with other disorders, and misdiagnosis can contribute to its functional and economic cost. Schizotypy and psychosis risk syndrome frameworks have been used to predict who will eventually develop schizophrenic psychosis, but accurate prediction caps at about 30% for individuals who are identified as “at risk” by these frameworks. Anomalous Self Experience (ASE), an alternative framework for understanding psychosis risk developed by phenomenological psychiatry, proposes that identifying fundamental alterations to sense of self are specific to schizophrenia and distinguish those …

Autism And Down Syndrome: An Examination Of The Baby And Infant Screen For Autism Traits In Toddlers With Down Syndrome, Celeste Tevis

LSU Doctoral Dissertations

Current research suggests that children with Down Syndrome (DS) are at an increased risk for autism spectrum disorder (ASD) compared to the general population. Detecting ASD early in children with DS is crucial to providing access to additional treatment services and supports that may be necessary. Despite a critical need to identify ASD as early as possible, diagnoses of ASD are often delayed in individuals with DS. It can be especially difficult for clinicians to differentiate between symptoms attributed to intellectual developmental disorder (IDD), a primary feature of DS, and possible ASD symptoms. Only two research studies have evaluated the …

Gatekeeper Training As A Form Of Suicide Prevention: An Evaluation Of Applied Suicide Intervention Skills Training (Asist), Sarah E. Pardue-Bourgeois

LSU Doctoral Dissertations

Applied Suicide Intervention Skills Training (ASIST) is the most widely used gatekeeper training (McAuliffe & Perry, 2007) and the literature examining its effects shows strong support for self-reported changes in attitudes and knowledge regarding suicide, and confidence to intervene with a person with thoughts of suicide (Gould et al., 2013; Shannonhouse et al., 2017a; Shannonhouse et al., 2017b; Shannonhouse et al., 2019). However, no research currently exists that investigates whether individuals trained in ASIST can provide the suicide-specific intervention skills post-training. Thus, the current study sought to extend the current literature by broadly investigating the following aims. Study aims investigated …

Examining Family Accommodation In Early Childhood, Allison Smith Dupre

LSU Doctoral Dissertations

The relationship between parent and child anxiety is well established. One factor that may account for this relationship is family accommodation (how family members alter their behavior to alleviate child distress). Family accommodation has been studied in child anxiety for the past decade and has been linked to increased parent and child anxiety. However, little research has focused on a young sample without clinical elevations of anxiety. Acknowledging the impact of family accommodation on child anxiety, the strong link between parent anxiety and accommodation, and the importance of early intervention, this study aimed to expand the literature of family accommodation …

Intersectionality And Experiences With Mental Health Care: Transgender And Gender Diverse Autistic Adults, Megan Callahan

LSU Doctoral Dissertations

Current prevalence rates of autism spectrum disorder (ASD) in transgender and gender diverse (TGD) populations range between 4 and 13% (Thrower et al., 2020). Studies into autistic TGD individuals’ experiences with healthcare have primarily collected qualitative data, identifying themes including barriers to healthcare, invalidation of both autistic and TGD identities, difficulty finding competent providers, limited support and resources, and refusal of care (Cooper et al., 2022; Maroney & Horne, 2022; Hall et al., 2020). N = 3094 self-identified TGD adults completed the 2017 TransLifeline Mental Health Survey, a collaborative effort between the National LGBTQ Task Force and the TransLifeline, which …

Exploring The Benefits Of A Virtual Reality Positive Psychological Intervention For Older Adults In Senior Living Communities, Christopher Reed

LSU Doctoral Dissertations

The majority of psychological research has followed a disease model focusing on how we reduce factors associated with psychopathology. In the last few decades there has been a push to explore positive psychological traits as an avenue for intervention by fostering traits we already possess. Most of these interventions have targeted mental health across the life span with fewer examining their efficacy on cognitive change with even fewer utilizing immersive technologies like virtual reality. By 2050 over 20% of the world’s population will be over the age of 60 and with this aging population rates of neurocognitive disorders will increase. …

Through The Looking Glass : Diversity Through The Eyes Of A Dress Form, Amara Copeland

LSU Master's Theses

This article aims to look into educational institutions and how they address diversity using curatorial displays. Does fashion and costume curation add to the seclusion of luxury? Looking into this correlation, this study aims to answer these next couple of questions. How does museum curation add to fashion social norms? Is it a subconscious or conscious decision when deciding on a mannequin or dress form? How do museum and fashion curations add to the exclusion of minorities in the world of luxury? What is costume luxury, and who do we say can obtain it?

This research aims to understand the …

The Impact Of Visual Stimuli And The Properties Of Green Walls On Human Well-Being In Built And Immersive Virtual Environments, Alireza Sedghikhanshir

LSU Doctoral Dissertations

The built environment significantly influences human well-being, particularly in the context of stress recovery and cognitive restoration. This dissertation investigates the impact of visual stimuli, particularly green walls, on human responses related to stress, restoration, and thermal comfort. The research is guided by three primary objectives: (1) examining the role of visual stimuli and their properties in promoting stress recovery and restoration, (2) evaluating the potential of Immersive Virtual Environments (IVEs) as tools for delivering and studying restorative environments, and (3) investigating the influence of green walls on indoor environmental conditions.

A series of experimental studies were carried out to …

Examining The Role Of Cognition And Late-Life Treatment Resistant Depression On Everyday Functioning, Ashlyn Runk

LSU Master's Theses

The capacity to complete instrumental activities of daily living (IADL) is essential to older adults maintaining their ability to age in place and is influenced by factors including depression and cognition. There is evidence to suggest that depression and cognition influence each other in their relationship with everyday functioning. However, much of this work has been done in samples with low overall levels of depressive symptoms. The goal of the current study was to examine these relationships in older adults with a history of moderate to severe treatment resistant depression and determine if the relationship between executive functioning and everyday …

Connectedness And Engagement As Predictors Of Dual-Factor Mental Health Groups: A Latent Profile Analysis, Kyle Wilson

LSU Master's Theses

When it was introduced, the dual-factor model of mental health revolutionized student mental health conceptualization by including measures of subjective well-being alongside psychopathological indicators. However, the manner in which students are assigned to mental health profiles may not be reflective of their actual characteristics. Therefore, the current study sought to expand on dual-factor model research through the employment of latent profile analysis (LPA), a person-centered approach to group classification, to examine to what degree well-established constructs predict student mental health. Constructs selected for the current study included school connectedness and school engagement. School connectedness is generally considered a protective factor …

A Network Analysis Of Social Determinants Of Health And Youth Suicidal Ideation And Suicide Attempts At The Neighborhood-Level In Houston, Tx, Tyler Hendley

LSU Master's Theses

Youth suicide is a complex, multi-faceted human phenomenon that has no singular cause but instead is theorized to be a result of an interplay of psychological, biological, and social risk and protective factors. To best identify youth suicide risk and possible avenues for intervention, a social-ecological model approach may prove beneficial. As community-level risk factors (i.e., social determinants of health (SDOH)) have shown to impact health outcomes, it is important to understand the association between community-level risk and youth suicide-related behaviors. Utilizing a network analytic approach, this study developed an estimated partial correlation network to understand the relationship between youth …

Clocking In And Speaking Out: Navigating Workday Rhythms For Voice Behaviors, Katelyn M. Reeves

LSU Master's Theses

Employee voice behaviors help organizations identify problems, increase productivity, and enhance satisfaction. Most literature focuses on daily-level variations while neglecting potential within-day variations that may have a stronger impact on voice engagement. To investigate within-day variations, this thesis applies chronotype synchrony to explain resource depletion throughout the day, which will determine voice engagement. An experience sampling study with the day reconstruction method of 250 employees revealed that having a morning chronotype leads to a more promotive and prohibitive voice in the morning, with a decline throughout the day due to resource depletion increasing throughout the day. Further, individuals with evening …

Addressing Agency In Intersectional Leadership: The Consequences Of Agentic Leader Behaviors For Black And White Men And Women In Leadership, Sydney Roux

LSU Master's Theses

As Black women gain representation in business and entrepreneurial leadership, it is important to consider how these women will be perceived as leaders. Role congruity theory (RCT) posits that women’s gender roles do not align with the leadership role which often negatively impacts leader evaluations. However, RCT is often employed without a racial context where women are presumed to be White, and thus, it is unclear if the same assumptions can be applied to Black women. Leadership scholars have identified the ways in which attributions and expectations of leaders are shaped by both demographic characteristics and behavioral events. Because Black …

Stress On The Brain: An Investigation Into The Impact Of Stress On Learning, Memory, And Metamemory Processes, Felicia M. Chaisson

LSU Doctoral Dissertations

While acute anxiety or stress has been shown to enhance certain cognitive functions, such as memory for emotionally salient stimuli, its effects on memory for emotionally neutral information remain ambiguous. Successful memory encoding and retrieval often involve control processes—both self-initiated and directed—that dictate organization during learning. Previous research indicates that these processes facilitate the contextual binding and organization of information. However, multi-domain evidence suggests that stress during encoding may be disrupted due to changes in neural mechanisms at play. This dissertation explores how stress impairs cognitive control, identifies potential underlying neural correlates, and examines broader metacognitive influences. Chapter 1 begins …

Examination Of Musical Sophistication And Working Memory Correlates In High School Students, Abby South

LSU Doctoral Dissertations

Abstract

The purpose of this study was to examine the relationship between musical engagement and cognitive ability in high school students. While musicians’ brains have long been of interest to those who study experience-dependent neuroplasticity, a lack of adolescent data grossly limits our understanding of the relationship between music training and observed neuroplastic changes in the brain. Advances in psychometric testing and brain imaging reveal relationships among musical expertise, changes in brain function, structure, and connectivity, and enhanced cognitive ability, but categorical groupings of dichotomously defined musicians and non-musicians prevent nuanced understanding of these complex relationships. In this study, 83 …

An Analysis Of The Development Of Cognitive Control In Young Children Within An Auditory And Visual Modality., Lauren A. Schiro

LSU Master's Theses

The Dual Mechanisms of Cognitive Control Framework (DMC) posits that cognitive control is directed through two different modes: proactive and reactive control. Proactive control involves the maintenance and manipulation of information in preparation of a response while reactive control would involve little to no preparation until after a response prompt. The AX-Continuous Performance Task (AX-CPT) is a cognitive control task that is often utilized in studies looking at proactive and reactive control as it measures context processing and goal maintenance. The aims of this study were to validate the auditory version of the AX-CPT and to then apply this task …