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Articles 301 - 330 of 1409

Full-Text Articles in Psychology

Examining The Effects Of Aspects Of Resiliency And Vulnerability On The Relationship Between Experiencing Microaggressions And Mental Health Among Persons Of Color, Amanda K. Blume Aug 2020

Examining The Effects Of Aspects Of Resiliency And Vulnerability On The Relationship Between Experiencing Microaggressions And Mental Health Among Persons Of Color, Amanda K. Blume

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Ethnic minorities experience discrimination frequently, especially a subtle form of discrimination called microaggressions-which are linked with poorer mental health. This study examined protective factors against microaggressions. In this study, responding to microaggressions actively (as opposed to ignoring the situation) was linked with better mental health. When use of active coping strategies was low, microaggressions were associated with lower self-esteem and higher depression and anxiety. Alternatively, when use of active coping styles was high, microaggressions were associated with higher self-esteem and less depression, anxiety, and drug use. Responding to microaggressions is a disengaged way (such as attempting to ignore or avoid …


A Translational Investigation Of Reinforced Behavioral Variability: Implications For Promoting Behavioral Variability In Individuals With Autism Spectrum Disorder, Ann Galizio Aug 2020

A Translational Investigation Of Reinforced Behavioral Variability: Implications For Promoting Behavioral Variability In Individuals With Autism Spectrum Disorder, Ann Galizio

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Behavioral variability is sometimes adaptive and can be maintained by the delivery of reinforcement. Individuals with autism spectrum disorder (ASD) often show restricted and repetitive behaviors. Therefore, interventions to promote behavioral variability in individuals with ASD are needed. The present line of research was designed to inform such interventions by investigating reinforced behavioral variability from basic, applied, and translational perspectives. Each of these laboratory studies involved participants making sequences of well-defined responses, which were compared to previous responses. Responses that meet a variability contingency (i.e., were sufficiently different from previous responses) produced rewards. Studies 1 and 2 were basic experiments, …


Cultural And Contextual Influences On Mental Health, Stigma, And Substance Use Among Mena U.S. College Students, Molly Mechammil Aug 2020

Cultural And Contextual Influences On Mental Health, Stigma, And Substance Use Among Mena U.S. College Students, Molly Mechammil

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The aim of this dissertation was to investigate whether certain cultural and contextual factors influence Middle Eastern/North African (MENA) college students' mental health, alcohol/marijuana use, and experiences with mental health stigma and help seeking. Research with MENA college students is very limited, which leaves mental health providers with limited information on how to best support MENAs. MENAs report high rates of discrimination, and other research shows that many they may use religion as a way to cope with stressors such as discrimination. I examined whether religious coping might buffer the effects of discrimination on mental health outcomes. I also considered …


Harmonic Delay Reduction, Jay E. Hinnenkamp Aug 2020

Harmonic Delay Reduction, Jay E. Hinnenkamp

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Stimuli which, during the life of an organism, acquire the ability to increase the probability of behavior that they follow are called conditioned reinforcers. The concurrent-chains procedure has been used to study conditioned reinforcement for over 60 years. During this time several different models have been developed to explain how stimuli become conditioned reinforcers. The three experiments of this dissertation introduced a new quantitative model of conditioned reinforcement (DRTH) and tested its predictions against four existing models. The results of Experiment 1 indicated that DRTH improves upon the accuracy of its predecessor, delay reduction theory (Fantino, 1969), …


Psychosocial Effects Of Shared Book Reading, Amy Halling Aug 2020

Psychosocial Effects Of Shared Book Reading, Amy Halling

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Many studies have examined the academic benefits of parents reading with their children, but few studies have looked at the psychological and social benefits, and even fewer have related the quality of shared book reading to psycho-social benefits. This study looked at whether positive and negative reading interactions during shared book reading predicted parent-child relationships, child social skills and child academic skills. Twenty-five parents of 4-year-olds read a story with their child and completed parent relationship and child social skills questionnaires. The reading interactions were then coded into two separate composite scores: positive and negative. Positive interactions did not significantly …


Odds Of Autism At 5 To 10 Years Of Age For Children Who Did Not Pass Their Aabr Newborn Hearing Screen, But Were Diagnosed With Normal Hearing, Shihfen Tu, Craig A. Mason, Deborah L. Rooks-Ellis, Patricia Lech May 2020

Odds Of Autism At 5 To 10 Years Of Age For Children Who Did Not Pass Their Aabr Newborn Hearing Screen, But Were Diagnosed With Normal Hearing, Shihfen Tu, Craig A. Mason, Deborah L. Rooks-Ellis, Patricia Lech

Journal of Early Hearing Detection and Intervention

Background: Research has found atypical Auditory Brainstem Response (ABR) activity in some children with Autism Spectrum Disorder (ASD). The current study examined whether an association may also be found between ASD and pass/refer results obtained via Automated Auditory Brainstem Response (AABR) screening. As stewards of large-scale AABR data, an AABR – ASD association may be of interest to EHDI programs.

Methods: State EHDI data for 29,350 children born in Maine between 2003 and 2005 were linked with education records, including special education status, for the 2010/2011 and 2013/2014 school years.

Results: Children who did not pass their …


Biological Sex As A Moderator Of The Association Of Military Sexual Trauma And Posttraumatic Stress Disorder Total And Symptom Cluster Severity, Hallie S. Tannahill May 2020

Biological Sex As A Moderator Of The Association Of Military Sexual Trauma And Posttraumatic Stress Disorder Total And Symptom Cluster Severity, Hallie S. Tannahill

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Posttraumatic stress disorder (PTSD) is a multifaceted disorder comprised of distinct symptom clusters and is commonly diagnosed in military service members/veterans (SM/Vs), particularly in those with history of military sexual trauma (MST). Evidence and theory suggest that females and males may have different traumatic responses following MST, though research investigating this association has limitations, such as modeling the sexes separately or not covarying for MST severity. The current study examined the moderating role of sex on the association of MST severity and PTSD total and symptom cluster severity. Participants were 1,161 SM/Vs (female: n = 782, 67.36%) who completed online …


Parenting Styles And Child Outcomes In Puerto Rican Families: A Comparison Of Individual And Dyadic Coding, Jeisianne Rosario Colón May 2020

Parenting Styles And Child Outcomes In Puerto Rican Families: A Comparison Of Individual And Dyadic Coding, Jeisianne Rosario Colón

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Parenting styles are comprised from three dimensions: warmth, autonomy granting, and demandingness. These dimensions combined form four parenting styles: authoritative, authoritarian, permissive, and neglectful. Forty-nine Puerto Rican families with children 6-11 years participated. Families engaged in several tasks that were coded using the Parenting Style Observation Rating Scale and child outcomes were measured using the Child Behavior Checklist. Overall, parents received high ratings in warmth, autonomy granting, and supportive demandingness, and low scores in nonsupportive demandingness. There were some differences between parents, with mothers exhibiting higher levels of warmth with girls than boys, and higher levels of autonomy granting and …


The Art Of Seduction: Male Perceptions Of Sexual Willingness, Lisa Starrett May 2020

The Art Of Seduction: Male Perceptions Of Sexual Willingness, Lisa Starrett

Undergraduate Honors Capstone Projects

The body of sexual assault research historically focuses on survivors, specifically female survivors. Examining male perpetrators is an important gap in the literature. Research demonstrates that men often misperceive the sexual willingness of female partners. Additionally, men predominantly react with guilt, shame, and depression when accused of sexual assault (Brennan, Swartout, Cook, & Parrot, 2018). The current study examined men’s perceptions of non-consensual dating advice as provided by a best-selling men’s dating book. We found several factors that related to higher endorsement of the non-consensual tactics, including past or present involvement in a fraternity, knowing a sexual assault perpetrator, living …


A Temporal Information-Theoretic Model Of Suboptimal Choice, Paul J. Cunningham May 2020

A Temporal Information-Theoretic Model Of Suboptimal Choice, Paul J. Cunningham

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Humans and animals often make decisions not in their long-term best interest. In one example, called suboptimal choice, pigeons sacrifice food for food-predictive stimuli. The study of suboptimal choice can reveal insights into the role of reward-predictive stimuli in maladaptive decision-making that characterizes numerous behavioral disorders. However, there is currently little evidence that rats engage in suboptimal choice, thereby raising questions about the species-generality of suboptimal choice. According to the temporal information-theoretic model, developed in Chapter 2, suboptimal choice emerges when pigeons pay more attention to the bits of temporal information conveyed by food-predictive stimuli than the rate of food …


Caterpillars On A Phytochemical Landscape: The Case Of Alfalfa And The Melissa Blue Butterfly, Matthew L. Forister, Su'ad A. Yoon, Casey S. Philbin, Craig D. Dodson, Bret Hart, Joshua G. Harrison, Oren Shelef, James A. Fordyce, Zachary H. Marion, Chris C. Nice, Lora A. Richards, C. Alex Buerkle, Zach Gompert Apr 2020

Caterpillars On A Phytochemical Landscape: The Case Of Alfalfa And The Melissa Blue Butterfly, Matthew L. Forister, Su'ad A. Yoon, Casey S. Philbin, Craig D. Dodson, Bret Hart, Joshua G. Harrison, Oren Shelef, James A. Fordyce, Zachary H. Marion, Chris C. Nice, Lora A. Richards, C. Alex Buerkle, Zach Gompert

Biology Faculty Publications

Modern metabolomic approaches that generate more comprehensive phytochemical profiles than were previously available are providing new opportunities for understanding plant‐animal interactions. Specifically, we can characterize the phytochemical landscape by asking how a larger number of individual compounds affect herbivores and how compounds covary among plants. Here we use the recent colonization of alfalfa (Medicago sativa) by the Melissa blue butterfly (Lycaeides melissa) to investigate the effects of indivdiual compounds and suites of covarying phytochemicals on caterpillar performance. We find that survival, development time, and adult weight are all associated with variation in nutrition and toxicity, including …


Innovative Identification Of Substance Use Predictors: Machine Learning In A National Sample Of Mexican Children, Alejandro L. Vázquez, Melanie M. Domenech Rodríguez, Tyson S. Barrett, Sarah E. Schwartz [email protected], Nancy G. Amador Buenabad, Marycarmen N. Bustos Gamiño, María De Lourdes Gutiérrez López, Jorge A. Villatoro Velázquez Jan 2020

Innovative Identification Of Substance Use Predictors: Machine Learning In A National Sample Of Mexican Children, Alejandro L. Vázquez, Melanie M. Domenech Rodríguez, Tyson S. Barrett, Sarah E. Schwartz [email protected], Nancy G. Amador Buenabad, Marycarmen N. Bustos Gamiño, María De Lourdes Gutiérrez López, Jorge A. Villatoro Velázquez

Psychology Faculty Publications

Machine learning provides a method of identifying factors that discriminate between substance users and non-users potentially improving our ability to match need with available prevention services within context with limited resources. Our aim was to utilize machine learning to identify high impact factors that best discriminate between substance users and non-users among a national sample (N = 52,171) of Mexican children (i.e., 5th, 6th grade; Mage = 10.40, SDage = 0.82). Participants reported information on individual factors (e.g., gender, grade, religiosity, sensation seeking, self-esteem, perceived risk of substance use), socioecological factors (e.g., neighborhood quality, community type, peer influences, parenting), and …


A Pilot Randomized Controlled Trial Of Acceptance And Commitment Therapy Guided Self-Help For Overweight And Obese Adults High In Weight Self-Stigma, Sarah Ann Potts, Jennifer Krafft, Michael E. Levin Jan 2020

A Pilot Randomized Controlled Trial Of Acceptance And Commitment Therapy Guided Self-Help For Overweight And Obese Adults High In Weight Self-Stigma, Sarah Ann Potts, Jennifer Krafft, Michael E. Levin

Psychology Student Research

Weight self-stigma, in which individuals internalize stigmatizing messages about weight, is a prevalent problem that contributes to poor quality of life and health. This pilot randomized controlled trial evaluated acceptance and commitment therapy (ACT) guided self-help using The Diet Trap (Lillis, Dahl, & Weineland, 2014) for 55 overweight/obese adults high in weight self-stigma. Participants were randomized to the ACT self-help book plus phone coaching (GSH-P; n=17), self-help book plus email prompts only (GSH-E; n=20), or a waitlist condition (n=18), with online self-report assessments at baseline and posttreatment (8 weeks later). Participants reported high satisfaction ratings and engagement with the ACT …


Utilizing Act Daily As A Self-Guided App For Clients Waiting For Services At A College Counseling Center: A Pilot Study, Jack Haegar, Carter H. Davis, Michael E. Levin Jan 2020

Utilizing Act Daily As A Self-Guided App For Clients Waiting For Services At A College Counseling Center: A Pilot Study, Jack Haegar, Carter H. Davis, Michael E. Levin

Psychology Faculty Publications

Objective: Considering increasing demands for mental health services at college counseling centers (CCCs), there is a need for cost-effective solutions that avoid depleting stressed CCC resources. This study examined if ACT Daily, a mobile application based on acceptance and commitment therapy (ACT), could serve as an effective self-guided intervention.

Participants: 11 individuals on a CCC waitlist suffering from anxiety/depression participated in the study over 2 weeks.

Methods: This study implemented a pre-post, open trial design of ACT Daily. Assessments were completed at baseline and 2-week post assessment.

Results: Results indicated that ACT Daily was acceptable and that participants improved on …


Psychological Flexibility As Shared Process Of Change In Acceptance And Commitment Therapy And Exposure And Response Prevention For Obsessive-Compulsive Disorder: A Singe Case Design Study, Brian L. Thompson, Michael P. Twohig, Jason B. Luoma Jan 2020

Psychological Flexibility As Shared Process Of Change In Acceptance And Commitment Therapy And Exposure And Response Prevention For Obsessive-Compulsive Disorder: A Singe Case Design Study, Brian L. Thompson, Michael P. Twohig, Jason B. Luoma

Psychology Faculty Publications

Changes in psychological flexibility were tracked in a combined protocol of exposure and response prevention (ERP) and acceptance and commitment therapy (ACT) for adults with OCD to assess if changes in psychological flexibility processes were unique to ACT intervention (e.g., not impacted by ERP). Using a non-concurrent multiple baseline design, four participants received sessions of ERP and ACT while data was collected on psychological flexibility processes of change and OCD symptom severity. Results indicate treatment response for three of four participants based on OCD scores. Contrary to predictions, data suggest both ERP and ACT have positive effects on psychological flexibility. …


Evaluating The Effects Of Guided Coaching Calls On Engagement And Outcomes For Online Acceptance And Commitment Therapy, Michael E. Levin, Jennifer Krafft, Carter Davis, Michael P. Twohig Jan 2020

Evaluating The Effects Of Guided Coaching Calls On Engagement And Outcomes For Online Acceptance And Commitment Therapy, Michael E. Levin, Jennifer Krafft, Carter Davis, Michael P. Twohig

Psychology Student Research

Previous research indicates mixed results for guided support with interventions. The current secondary analysis evaluated the effects of phone coaching from a dismantling trial of online acceptance and commitment therapy (ACT) in a sample of 136 distressed college students randomized to one of three versions of an ACT website. Participants were randomized to receive email prompts alone (non-coaching condition) or email plus phone coaching (coaching condition). Results indicated no differences between the coaching and non-coaching conditions on program engagement, program satisfaction, mental health outcomes, and almost all psychological flexibility processes. However, participants in the coaching condition reported stronger pre- to …


A Randomized Controlled Trial Of Online Acceptance And Commitment Therapy To Improve Diet And Physical Activity Among Adults Who Are Overweight/Obese, Michael E. Levin, Julie M. Petersen, Carrie Durward, Brittany Bingeman, Elizabeth Davis, Cindy Nelson, Shannon Cromwell Jan 2020

A Randomized Controlled Trial Of Online Acceptance And Commitment Therapy To Improve Diet And Physical Activity Among Adults Who Are Overweight/Obese, Michael E. Levin, Julie M. Petersen, Carrie Durward, Brittany Bingeman, Elizabeth Davis, Cindy Nelson, Shannon Cromwell

Psychology Student Research

Background: Acceptance and commitment therapy (ACT) has shown benefit for improving diet, physical activity, and weight among adults who are overweight and obese. However, research to date in this area has primarily evaluated ACT delivered through in-person interventions, which has more limited access relative to online formats. Purpose: The present study evaluated an online guided self-help program that integrated ACT with nutrition education to improve healthy eating and physical activity. Methods: A sample of 79 adults who were overweight/obese were randomized to receive the 8-week ACT on Health program plus weekly phone coaching or to a waitlist. Results: Participants completed …


Technology In Parenting Programs: A Systematic Review And Pilot Study Of An App-Based Intervention For Latinx Families, Samantha M. Corralejo Dec 2019

Technology In Parenting Programs: A Systematic Review And Pilot Study Of An App-Based Intervention For Latinx Families, Samantha M. Corralejo

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Technology and psychological treatments have increasingly been used together to increase the reach of psychotherapy and potentially reduce treatment costs. This research focused on how technology has been used to deliver or facilitate treatments focused on behavioral parent training. Behavioral parent training is a research-supported method of improving parenting skills and child behavior. We first reviewed any existing research on the topic, and found that treatments that used technology to teach parenting skills were generally successful at improving parent and child behavior. The review also identified many research questions that have yet to be answered about the cost of such …


Konaway Nika Tillicum Native American Youth Academy: Cultural Identity, Self-Esteem, And Academic Optimism, Tamara Barrett Dec 2019

Konaway Nika Tillicum Native American Youth Academy: Cultural Identity, Self-Esteem, And Academic Optimism, Tamara Barrett

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Through using a Positive Youth Development framework and culturally based education program, Konaway Nikka Tillicum Native American Youth Academy aspires to mentor and prepare Native youth through high school and on to higher education. This collaborative research partnership investigated cultural identity, self-esteem, and academic optimism of Native American youth attending the academy. The results of this program evaluation found that cultural identity, self-esteem, and academic optimism were all closely related to each other as well as that they increased significantly when measured before and after the academy. GPA was found to not be predictive of cultural identity, self-esteem, or academic …


Parent Knowledge Of Autism Spectrum Disorder, Kandice J. Benallie Dec 2019

Parent Knowledge Of Autism Spectrum Disorder, Kandice J. Benallie

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Parent knowledge of ASD may be relevant to early identification and intervention services for children with ASD. By understanding how knowledgeable parents of young children are about ASD, researchers and practitioners can intervene and educate this population. This study sought to determine the knowledge base of ASD among parents with children five years and younger and if developmental, behavioral, and autism-related concerns predict knowledge of ASD. The sample of parents consisted of 167 mothers and fathers. All participants completed a knowledge questionnaire (i.e., ASKSG) and reported their level of developmental, behavioral, and autism-related concerns of their oldest child between the …


Treatment Of Clinical Perfectionism Using Acceptance And Commitment Therapy, Clarissa W. Ong Dec 2019

Treatment Of Clinical Perfectionism Using Acceptance And Commitment Therapy, Clarissa W. Ong

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Clinical perfectionism is characterized by rigidly pursuing unrealistically high standards on which self-worth is contingent and experiencing distress when these standards are not met. Because clinical perfectionism is associated with many psychological diagnoses, understanding how to treat it may help streamline available treatments. The aim of this dissertation was to test the effect of acceptance and commitment therapy (ACT), a cognitive-behavioral therapy, on 53 individuals with clinical perfectionism. Participants in the ACT group received 10 therapy sessions and those in the control group were on a waitlist for 14 weeks. The first study supported the effectiveness of ACT relative to …


Tacting Of Function In College Student Mental Health: An Online And App-Based Approach To Psychological Flexibility, Benjamin Pierce Dec 2019

Tacting Of Function In College Student Mental Health: An Online And App-Based Approach To Psychological Flexibility, Benjamin Pierce

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Mental and emotional health concerns among college students are prevalent and diverse in their symptom presentations. With increasing demands on counseling centers to provide efficient care and to address students with higher acuity or risk for harm, there has been an increased focus on identifying therapeutic targets that underlie a wide breadth of concerns to broaden the scope and impact of mental health services. Psychological inflexibility is one such target and refers to a combination of excessive avoidance of internal experiences coupled with a lack of actions that align with a person’s values. Interventions for psychological inflexibility aim to support …


Responding To Microaggressions: Evaluation Of Bystander Intervention Strategies, Tianyi Xie Dec 2019

Responding To Microaggressions: Evaluation Of Bystander Intervention Strategies, Tianyi Xie

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Ethnic minorities often experience microaggressions that cause psychological distress and increase health risks. Bystander interventions are good ways to intervene when microaggressions take place and provide emotional support for ethnic minority targets. White interveners and interventions that pose low threats to White aggressors are perceived more positively than ethnic minority interveners and interventions that are more confrontational and direct. Furthermore, a support-based intervention that validates White aggressors’ good intention and effort without judgement may help White aggressors feel less defensive and more receptive to the intervention. Asian Americans face unique microaggressive themes and their racial experiences are influenced by the …


Activity Tracker Measurement Of Physical Activity And Sedentary Time In The Workplace Including An Intervention Involving Reminders To Move, Cassie Dance Dec 2019

Activity Tracker Measurement Of Physical Activity And Sedentary Time In The Workplace Including An Intervention Involving Reminders To Move, Cassie Dance

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Sedentary time and physical inactivity have negative impacts on health and health costs as well as an impact on workplace wellbeing. There is evidence that people are more sedentary and engage in less physical activity on work days. Additionally, sedentary behavior has been found to increase distress and negative mood. Activity trackers such as Fitbits are a useful way to collect and intervene on sedentary behavior and potentially impact other factors of workplace wellbeing in real time and promote self-monitoring. The reminder to move prompts that are now part of Fitbit models provide an innovative and simple way to intervene …


Relationship Maintenance Behaviors And Marital Stability In Remarriage: The Examination Of Stepfamily Constellations And Associated Challenges, Ron C. Bean Dec 2019

Relationship Maintenance Behaviors And Marital Stability In Remarriage: The Examination Of Stepfamily Constellations And Associated Challenges, Ron C. Bean

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Research on stepfamily life in the 21st century reveals unexplored variables at every turn. This is important because around half of American adults report close step-relationships and the challenges and demographic and relational differences for different types of stepfamilies remains unexplored. The first of these studies explored data for 879 husbands and wives couples to explore how positivity, negativity, and sexual interest levels differ depending which of the couple, both partners, or neither had previous children. Wives reported higher levels of marital instability and positivity than husbands. Marital instability was linked with one’s own and one’s partners’ negativity, and …


Early Adolescent Substance Use In A National Sample Of Mexican Youths: Demographic Characteristics That Predict Use Of Alcohol, Tobacco, And Others Drugs, Alejandro L. Vázquez, Melanie M. Domenech Rodríguez, Sarah E. Schwartz, Nancy G. Amador Buenabad, Marycarmen N. Bustos Gamiño, María De Lourdes Gutierrez López, Jorge A. Villatoro Velázquez Nov 2019

Early Adolescent Substance Use In A National Sample Of Mexican Youths: Demographic Characteristics That Predict Use Of Alcohol, Tobacco, And Others Drugs, Alejandro L. Vázquez, Melanie M. Domenech Rodríguez, Sarah E. Schwartz, Nancy G. Amador Buenabad, Marycarmen N. Bustos Gamiño, María De Lourdes Gutierrez López, Jorge A. Villatoro Velázquez

Psychology Faculty Publications

The United States and Mexico have seen significant increases in the prevalence of substance use among Latinx adolescents in the last 20 years. Research is needed to address rising national rates of substances use to inform the development of policies and intervention programs targeting Latinx youth. Our primary aim was to identify demographic factors associated with substance initiation and use among elementary age Latinx youth. Data for the present study include 52,171 elementary students in 5th and 6th grades, who participated in the National Survey of Drug Use Among Students (ENCODE) in Mexico. Youths reported demographic information, rates of substance …


Physiological, Behavioral, And Self-Report Outcomes Of Acceptance And Regulation Approaches To Exposures For Intrusive Thoughts, Brooke M. Smith Aug 2019

Physiological, Behavioral, And Self-Report Outcomes Of Acceptance And Regulation Approaches To Exposures For Intrusive Thoughts, Brooke M. Smith

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Cognitive-behavioral therapy that includes exposure, or intentionally and systematically confronting feared situations, is the gold standard psychological treatment for obsessive-compulsive disorder. However, less than half of those who begin this treatment are considered to have recovered from their disorder at the end of treatment, and this number is even smaller in the months following the end of treatment. Leading theories regarding how treatment changes occur focus on reducing fear, and they do not include “voluntary” (i.e., operant) behaviors, such as avoidance, that are key features of the disorder. Acceptance-based approaches to exposure do not focus on fear reduction, but directly …


Resurgence Of Cocaine-Seeking In Rats Following Long Access And Punishment, Rusty W. Nall Aug 2019

Resurgence Of Cocaine-Seeking In Rats Following Long Access And Punishment, Rusty W. Nall

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Strategies that provide access to alternative non-drug rewards are among the most effective at reducing substance use in individuals with substance use disorders, but relapse often occurs when alternative rewards are removed. Relapse induced by the loss of alternative rewards is called resurgence, and represents a challenge to otherwise effective strategies for reducing drug use. An animal model has been useful for studying resurgence, but the extant model has two limitations. First, humans usually refer to the negative consequences of drug use as the reason they stop taking drugs, but the extant model uses drug unavailability to reduce drug seeking. …


Dementia Caregiver Coping Strategies And Caregiver-Care Recipient Relationship Closeness: Associations With Care-Recipient Outcomes, Stephanie Behrensberg Aug 2019

Dementia Caregiver Coping Strategies And Caregiver-Care Recipient Relationship Closeness: Associations With Care-Recipient Outcomes, Stephanie Behrensberg

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This project used data from the Dementia Progression Study, a longitudinal, population-based study based out of Cache County, Utah. Statistical models were used to examine the association between caregiver factors, the care environment, and cognitive outcomes in persons with dementia. Mediational analyses were also used to examine if the care environment, inferred for nutritional status, engagement in physical and cognitively stimulating activities, mediated the relationship between the closeness/caregiver coping strategies and cognition in persons with dementia. Results showed that closer caregiver-care recipient relationships were associated with better nutritional status and more engagement in number of cognitively stimulating activities as well …


A Structural Equation Modeling Approach Combining Multitrait-Multimethod Designs With Moderated Mediation Analysis, Kaylee Litson Aug 2019

A Structural Equation Modeling Approach Combining Multitrait-Multimethod Designs With Moderated Mediation Analysis, Kaylee Litson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Researchers who study clinical and developmental psychology are often interested in answering questions such as how interventions work, when treatment begins to improve health outcomes, or for whom treatment has the greatest impact. Answers to these and similar questions impact the general understanding of health and behavior, and can be imperative for effectively implementing intervention and prevention programs. To evaluate such complex relationships among variables, researchers have turned to moderated mediation analysis. Moderated mediation analysis is a statistical tool used to identify the conditional processes among observed or latent variables. However, in developmental and clinical psychology, variables are regularly measured …