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Full-Text Articles in Entire DC Network
The Role Of Colleges Of Pharmacy In Student Mental Health Support, Diana J. Patino
The Role Of Colleges Of Pharmacy In Student Mental Health Support, Diana J. Patino
Theses and Dissertations
The college journey is not easy, particularly within the pharmacy program— students undergo significant transitions that include meeting new rigor levels and pace in professional coursework, establishing new peers and faculty relationships, and coping with high stress levels (Choi et al., 2019). This qualitative case study will investigate how a pharmacy program and its associated resources relate to student mental health support and how pharmacy students perceive the importance of mental health initiatives in their academic program experience.
Teachers Perception Of Student Engagement Using Face-To-Face And Remote Instructional Methods, Anika Mcintosh
Teachers Perception Of Student Engagement Using Face-To-Face And Remote Instructional Methods, Anika Mcintosh
Theses and Dissertations
This phenomenology examines the instructional practices of high school teachers and the changes the challenges of remote learning during the COVID-19 pandemic have wrought, with a focus on strategies to promote student engagement. The more students are engaged, the more they may see the relevance of their experiences, feel connected to their school experiences, and develop more positive attitudes and attributes, both inside and outside of the school walls (Bridgeland, Dilulio, & Morison, 2006). Six big themes emerged through qualitative analysis were instructional strategies, adaptation to online learning, teaching practices post 2020, perceptions of the teachers, teacher-student relationships, and barriers …
Evolution Of Chitinases In Amphibians: A Multi-Faceted Group Of Enzymes With Dual Function In Digestion And At The Forefront Against Fungal Infections, Devashri Narayan
Evolution Of Chitinases In Amphibians: A Multi-Faceted Group Of Enzymes With Dual Function In Digestion And At The Forefront Against Fungal Infections, Devashri Narayan
Theses and Dissertations
Chitinases are essential enzymes found in living organisms such as amphibians, and they ensure that amphibians survive in their varied ecosystems. They are crucial in the digestion and immunity of most organisms, including plants and animals. Chitinases’ diversity of functions is a testament to their evolutionary adaptability. The primary function of chitinases is the breakdown of chitin, a complex polymer of saccharides often found in the exoskeleton of insects and the walls of fungi. Amphibians that feed on insects make use of chitinases to hydrolyze chitin into simpler sugars that can be easily absorbed to extract the necessary nutrients from …
How Technology Overuse Is Affecting Youth’S Physical Activity Time, Amiya Prema Sikidar
How Technology Overuse Is Affecting Youth’S Physical Activity Time, Amiya Prema Sikidar
Theses and Dissertations
Prior research demonstrates how time and energy dedicated to screens is negatively correlated with physical activity time (Alotaibi et al., 2020; Scaranni et al., 2023; Barot et al., 2023; Parasuraman et al., 2017). Therefore, in this research study, we aimed to investigate if time dedicated to screens is still replacing participation in physical activities or if technology has become so integrated in our lives over time that it no longer affects our physical activity time. We tested this via an online survey of 62 students (38 females, 24 males) at St. John’s University. Participants completed an internet addiction questionnaire (M=46.66, …
Childhood Trauma And Its Effects On Psychological Well-Being And Physical Health, Mohaned Elgizawy
Childhood Trauma And Its Effects On Psychological Well-Being And Physical Health, Mohaned Elgizawy
Theses and Dissertations
There is consistent evidence concerning the impact of trauma on children and the effects on psychological well-being. This study aims to investigate the impact of childhood trauma on the psychological resilience, mental health, and physical development of culturally diverse individuals. The study also explores the influence of cultural orientation on psychological and physical well-being. Cultural orientation is the degree to which individuals identify with either individualism or collectivism, two core dimensions of cultural frameworks. The self-construal scale was applied to address the cultural orientation, which significantly covers individualistic and collectivistic aspects. The participants were 97 culturally diverse students from St. …
The Perceived Knowledge Of Effects Of Radiological Effects Amongst Radiologic Professionals, Kenneth Martinucci
The Perceived Knowledge Of Effects Of Radiological Effects Amongst Radiologic Professionals, Kenneth Martinucci
Theses and Dissertations
X-ray, an accidental discovery in 1895, has been used to diagnose and treat various ailments. Despite the benefits of X-rays, it has been established that the radiation has the potential to cause harm to individuals and even death following its use. The harm associated with radiation has been evidenced in various historical tragedies globally, including the Chernobyl accidents, the Goiania accidents, and even the atomic bombings in Hiroshima and Nagasaki. These incidents highlight the potential hazards associated with radiation use. Individuals exposed to the radiation from the incidents had higher risks of cancer, neurological dysfunctions, congenital disabilities, predispositions to cardiovascular …
From The Words Of Our Fathers: Black Paternal Perspectives On Literacy And Recommendations For Literacy Instruction For Black Males, Imani A. Irving
From The Words Of Our Fathers: Black Paternal Perspectives On Literacy And Recommendations For Literacy Instruction For Black Males, Imani A. Irving
Theses and Dissertations
This study investigated the literacy experiences of Black fathers and their recommendations for enhancing literacy instruction for Black male children from birth through Grade 12. Grounded in African American Male Theory, the research aimed to address knowledge gaps in understanding Black male literacy experiences and provide insights for improving Black male literacy education. Using participatory action research with an initial modified Delphi approach, the study gathered potential areas of consensus among Black fathers on essential curricular revisions to promote positive Black male literacies. Participants included a purposive sample of 10 Black fathers with Black sons from birth to adulthood. Through …
First-Semester College Students’ Perceptions Of Their Postsecondary Experiences With Learning Soft Skills, Malcolm M. Ebanks
First-Semester College Students’ Perceptions Of Their Postsecondary Experiences With Learning Soft Skills, Malcolm M. Ebanks
Theses and Dissertations
Underprepared low-income students in the first semester of college may benefit from using soft skills to help them successfully negotiate college expectations. The importance of social, emotional, and affective skills is gaining momentum to increase student engagement and achievement (Randolph, 2014). This qualitative transcendental phenomenological study was to explore underprepared low-income first-semester college students’ perceptions of their experiences of learning and using soft skills. The research methodology embraced a qualitative approach aligned with the study’s theoretical framework rooted in attribute theory (Heider, 1958). The study’s significance lies in its focus on students rarely studied in areas of research related to …
Extending The Classroom Boundaries: An Evaluation Of Asynchronous Graduate Student Discussion Boards To Build Community And Critical Thinking, Robyn Menna Strausser
Extending The Classroom Boundaries: An Evaluation Of Asynchronous Graduate Student Discussion Boards To Build Community And Critical Thinking, Robyn Menna Strausser
Theses and Dissertations
The dissertation investigates how Asynchronous Online Discussions (AODs) contribute to community building and critical thinking development among graduate students in asynchronous online courses. Grounded in the Community of Inquiry (CoI) framework, the research examines the interplay of cognitive, social, teaching, and learner presences to foster collaborative learning environments and enhance analytical reasoning skills in online education. Employing a qualitative design and thematic analysis of surveys and interviews with asynchronous online graduate students, this research reveals the role of AODs in facilitating meaningful interactions that support knowledge construction and critical thinking. Findings indicate that cognitive, social, and teaching presences in AODs …
Critical Literacy Engagement Of Elementary Multilingual Learners: A Mixed Methods Study, Abigail Wilson Luger
Critical Literacy Engagement Of Elementary Multilingual Learners: A Mixed Methods Study, Abigail Wilson Luger
Theses and Dissertations
As the number of students identified as multilingual learners (ML) continues to increase in schools across the United States and the accountability for states to provide rigorous and meaningful instruction rises, the daily instructional experiences of students identified as ML need more focused research. Existing research on students identified as ML often focuses on their acquisition of English. Students identified as ML often experience rote instruction and do not have access to critical literacy practices, especially in the elementary school grades. Critical literacy practices are cognitively rigorous and can include analyzing current structures of power, equity, and facilitating student talk. …
Health Literacy’S Relationship With Hearing Loss And Tinnitus In Marines And Sailors At An Air Base, Caton Harris
Health Literacy’S Relationship With Hearing Loss And Tinnitus In Marines And Sailors At An Air Base, Caton Harris
Theses and Dissertations
Health literacy is listed as an international health issue by the World Health Organization (WHO) and is one of the primary goals of Healthy People 2030 (USDHHR, 2023; WHO, 2023). Health literacy is the minimal amount of information needed to make appropriate health decisions (Nutbeam, 2017). Individuals must have adequate health literacy to sufficiently read and comprehend medical brochures and medical pamphlets and understand verbal instructions from their medical providers (Bo et al., 2014). Poor health literacy can reduce overall quality of life and access to health care. Health literacy is lower in adolescents and lower socioeconomic groups; therefore, the …
Mechanism Of Napthenic Acid Binding To Dissolved Organic Matter, Clarissa Jules
Mechanism Of Napthenic Acid Binding To Dissolved Organic Matter, Clarissa Jules
Theses and Dissertations
The oil sands in Alberta, Canada are being destroyed by oil extraction because remediation methods have proven largely ineffective. One toxic byproduct of oil extraction is a family of cyclical surfactant organic acids known as naphthenic acids (NAs). They are toxic to aquatic life, including fish, frogs, and aquatic birds. It is suspected that NAs bind to humic acid, a major organic component of soil, in dissolved organic matter in natural water, making them difficult to remove by conventional remediation methods. This problem prompts the following question: what is the binding mechanism between NAs and humic acid when dissolved in …
Protein-Metal Interactions Of A-Synuclein And Bioactive Transition Metals Via Molecular Dynamics, Gonzalo R. Vazquez
Protein-Metal Interactions Of A-Synuclein And Bioactive Transition Metals Via Molecular Dynamics, Gonzalo R. Vazquez
Theses and Dissertations
Parkinson’s Disease (PD) is a neurodegenerative movement disorder which has been found to target the dopaminergic neurons of the substantia nigra. It is characterized by the formation of masses known as Lewy Bodies, formed by aggregates of the intrinsically disordered protein (IDP) -synuclein (asyn). Research suggests that alpha synuclein can undergo aggregation in the presence of heavy metals, which may accumulate in the body through a variety of mechanisms. To study how metals may play a role in wildtype (WT) asyn aggregation, MD simulation of the protein was performed in the presence of bioactive transition metals including Fe2+, Fe3+, Cu+, …
An Ethnographic Survey Of Hispanic Parental Experiences With Special Education, Leila Fox Goldsmith
An Ethnographic Survey Of Hispanic Parental Experiences With Special Education, Leila Fox Goldsmith
Theses and Dissertations
This study explored Spanish-speaking parents' involvement, perception, and experience with Committee on Special Education (CSE) meetings. This study also sought to gauge knowledge and understanding of special education law. Special education law explicitly states that parents should be active participants in CSE meetings and have a role in creating their child's Individualized Education Program (IEP). Schools are mandated to abide by special education laws and conduct meetings in which every parent has a fair opportunity to collaborate and discuss the child's educational program. Previous research shows there may be a disconnect between Spanish-speaking parents and their children's educators. This study …
The Implementation Of Social-Emotional Learning: The Role Of Leadership And Administrative Support In Producing Change, Joann M. Luisa
The Implementation Of Social-Emotional Learning: The Role Of Leadership And Administrative Support In Producing Change, Joann M. Luisa
Theses and Dissertations
This qualitative dissertation explores the administrative implementation and organizational change required for effective social-emotional learning (SEL) programs in K-12 schools. Through interviews with school educators, psychologists, social worker, deans, administrators and assistant superintendents along with analysis of implementation documents from multiple district buildings, this research examines the key factors, challenges, and best practices in implementing comprehensive SEL practices. The findings of this study imply that successful SEL implementation requires several collaborative alignments to be successful. District-wide commitment, planning for individual schools, and ongoing support and professional development for staff are vital to the success of this implementation. Strong leadership from …
Improving The Safety Of N,N-Dimethylacetamide As A Potential Treatment For Preterm Birth Using A Vaginal Nanoformulation, Asad Mir
Theses and Dissertations
With no available treatment for preterm birth, the field of reproductive medicine has been repurposing small molecule candidates into vaginal nanoformulations as potential treatments for the condition. The commercial solvent N,N-Dimethylacetamide (DMA) has previously been shown to delay and prevent inflammation-induced preterm birth in a mouse model. A vaginal nanoformulation of DMA loaded into a self-nanoemulsifying drug delivery system (SNEEDS) was studied to see if it can also be efficacious. A side by-side histological comparison was done in the more pertinent tissues of the reproductive tract between the traditional formulation of DMA given intraperitoneally (IP) and the vaginal nanoformulation of …
Electrochemical And Conformational Patterns Of S-Glycosides And The Synthesis Of Schistosoma Mansoni Antigens, Bhavesh Rajendra Deore
Electrochemical And Conformational Patterns Of S-Glycosides And The Synthesis Of Schistosoma Mansoni Antigens, Bhavesh Rajendra Deore
Theses and Dissertations
This thesis dives into two relevant fields in carbohydrate science: reactivity and conformation. We centered our attention on S-glycosides, a common class of glycosyl donors and glycomimetics, to study the influence exerted by the structural architecture over the conformational properties about flexible bonds and the reactivity towards electrochemical activation. Studying the conformational properties of sugars is key to understanding the molecular recognition mechanisms underlying their biological functions. Moreover, a well understanding of how the molecular components affect free rotation about bonds can be valuable information to design improved glycomimetic drug candidates. On the other hand, electrosynthesis is a promising application …
The Perceived Self-Efficacy, Barriers, Facilitators, And Needs Of Special Education Teachers That Teach Reading To Elementary Students With Emotional Disabilities, Donna Mecca
Theses and Dissertations
The purpose of this study was to explore the perceptions of elementary special education teachers who work in self-contained classrooms with students who have emotional disabilities. This research sought to understand the perceived self-efficacy teachers had for teaching reading to this population of learners, and to further explore the perceived barriers, facilitators, and needs they have related to reading instruction. Participants included sixteen teachers and one specialist from a large public-school division in the southeastern region of the United States. The data for this study was collected through teacher completion of an online survey and through individual semi-structured interviews. The …
Exploring The Shared Lived Experiences Of Elementary Principal Leadership As A Result Of The Pandemic: A Hermeneutical Phenomenological Qualitative Study, Jeremy Garritano
Exploring The Shared Lived Experiences Of Elementary Principal Leadership As A Result Of The Pandemic: A Hermeneutical Phenomenological Qualitative Study, Jeremy Garritano
Theses and Dissertations
In this qualitative hermeneutic phenomenological study, the researcher explored the shared lived experiences of elementary building principals as they navigated the COVID-19 pandemic. This research aimed to extrapolate themes and common threads of the impact on elementary building-level principal leadership in the areas of leadership challenges, leadership adaptations, and leadership changes. The timeframes for these shifts in these areas were before, during, and after the COVID-19 pandemic. The following research questions guided the study: 1. What were the perceived difficulties/challenges of leadership during the COVID-19 pandemic from the perspective of elementary principals? 2. How did elementary principals’ leadership change, adjust, …
Looking Back And Looking Ahead: Veteran Teachers Reflect On The Impact Of The Online Educational Marketplace On Professional Identity, Natalie N. Malone
Looking Back And Looking Ahead: Veteran Teachers Reflect On The Impact Of The Online Educational Marketplace On Professional Identity, Natalie N. Malone
Theses and Dissertations
Increasingly complex, diverse, and inclusive classrooms require the direction of a highly skilled teacher who is committed to continual professional growth. Although many research studies have addressed professional growth and identity development among pre-service and early career teachers, few have investigated the long-term evolution of professional identity. Understanding the influences and characteristics that shape professional identity throughout the career can yield important insight into why some teachers continue to thrive and grow while others stagnate. The purpose of this multiple case study is to explore the evolution of the professional identity of elementary school teachers (K-5) in the northeastern United …
Perspectives From Mentees And Mentors: A Study Of How Mentor Programs Influence Teacher Self-Efficacy, Patricia Sihksnel
Perspectives From Mentees And Mentors: A Study Of How Mentor Programs Influence Teacher Self-Efficacy, Patricia Sihksnel
Theses and Dissertations
School districts often implement teacher mentor programs to support educators new to teaching. The components of mentor program frameworks require further research to determine their effectiveness in supporting new teachers. This non-experimental correlational study used Kram’s Mentor Theory and Bandura’s Self-Efficacy theory to determine if there is a significant influence of mentor programs on new teacher self-efficacy, classroom environment, instruction, and preparation and planning. The participants were teachers who have served as a mentor or mentee from suburban school districts in the northeastern United States. This study used a survey to collect participants’ demographic data and mentor program characteristics. Data …
Teacher Role, Training, Experience, And Self-Efficacy Toward The Inclusion Of Students With Disabilities, Marian Zedalis
Teacher Role, Training, Experience, And Self-Efficacy Toward The Inclusion Of Students With Disabilities, Marian Zedalis
Theses and Dissertations
Grounded in Bandura's social cognitive theory, this quantitative, non-experimental study examined the relationship between teacher role, training, and experience and their self-efficacy regarding the inclusion of students with disabilities. A total of 107 K-12 teachers from a large, suburban school district participated and completed an online demographic survey and the Teacher Efficacy for Inclusive Practices (TEIP) Scale. Two-way ANOVAs found that teacher training (certification and professional development) significantly impacted teacher self-efficacy. Teachers with dual certifications and more than seven hours of professional development reported higher self-efficacy scores. Teachers collaborating more than one hour per week also had significantly higher self-efficacy …
Predicting Dysfunctional Anger Through Irrational Beliefs And Maladaptive Schemas: A Mixed Methods Analysis, Katharine Downing Romero
Predicting Dysfunctional Anger Through Irrational Beliefs And Maladaptive Schemas: A Mixed Methods Analysis, Katharine Downing Romero
Theses and Dissertations
This study explored the complex relationship between irrational beliefs, maladaptive schemas, and anger using validated quantitative methods and a novel Articulated Thoughts in Simulated Situations (ATSS) paradigm. An investigation involving 170 participants from student and general populations used text-based scenarios to induce anger, revealing significant associations between expressed irrational beliefs, early maladaptive schemas, trait anger, and general anger dysfunction. While irrational beliefs were not significantly linked to induced anger levels in this non-clinical population, state anger increased the strength of the relationship between anger outcomes and early maladaptive schemas, suggesting that heightened emotional states may amplify schema impact on anger …
Cost-Effectiveness Of Psilocybin-Assisted Therapy Versus Standard Of Care For Patients With Treatment-Resistant Depression, Yosr Ziadi
Theses and Dissertations
Objectives: Patients with treatment-resistant depression (TRD) experience high relapse rates and a relentless cycle of ineffective treatments, significantly impairing their quality of life and burdening healthcare resources. Psilocybin has emerged as a promising alternative, offering rapid and sustained symptom relief. However, its cost-effectiveness remains unexplored. This study conducted a pioneering cost-effectiveness analysis of psilocybin-assisted therapy (PAT) versus standard care (SoC) for individuals with TRD using a Markov model from a U.S. healthcare perspective. Methods: The model, parameterized by randomized trial efficacy data and a micro-costing approach, simulated patient transitions every six-week cycle, consistent with American Psychiatric Association guidelines. Outcomes focused …
The Moderating Effect Of Age Group On Patterns Of Change In Ptsd Symptom Clusters During Trauma-Focused Cognitivebehavioral Therapy, Alyssa Nicole Williamson
The Moderating Effect Of Age Group On Patterns Of Change In Ptsd Symptom Clusters During Trauma-Focused Cognitivebehavioral Therapy, Alyssa Nicole Williamson
Theses and Dissertations
The Diagnostic and Statistical Manual of Mental Disorders—5th Edition (DSM-V) includes four symptom clusters that compose Posttraumatic Stress Disorder (PTSD)-- Re-Experiencing, Avoidance, Negative Alterations in Cognitions and Mood ("Cognitive Mood"), and Hyperarousal (American Psychological Association, 2013). In response to findings that PTSD often presents differently in children and adolescents than in adults, the DSM-V now includes developmental considerations for diagnosis (e.g., Cohen et al., 2010; Scheeringa et al., 2012). As research on pediatric PTSD has grown, Trauma-Focused Cognitive-Behavioral Therapy (TF-CBT; Cohen et al., 2016) has emerged as the most empirically supported intervention for reducing PTSD symptoms, anxiety, depression, and behavioral …
Knocking Down Floral Symmetry Genes In Fedia Graciloflora (Caprifoliaceae), Jacob Vinson
Knocking Down Floral Symmetry Genes In Fedia Graciloflora (Caprifoliaceae), Jacob Vinson
Theses and Dissertations
Throughout angiosperm evolution, shifts between radial (actinomorphic) and bilateral (zygomorphic) symmetry have occurred repeatedly, often correlating with increased pollinator specialization and diversification. Evidence shows that the transcription factor CYCLOIDEA (CYC) plays a role in establishing the dorsoventral identity of a flower, leading to the formation of bilateral symmetry. Previous work in the lab used Virus-Induced Gene Silencing (VIGS) to transiently suppress the expression of four paralogous CYC genes: CYC2A, CYC2B, CYC3A, and CYC3B, in the non-model organism Fedia graciliflora (Caprifoliaceae), a species with strongly bilaterally symmetrical flowers nested within the more radially symmetric Valerianella. This study investigates the contributions of …
Exploring School Characteristics And Physical Learning Environment As Predictors Of Self-Efficacy Among Teachers In Vietnam, Giavanna Varuzzi
Exploring School Characteristics And Physical Learning Environment As Predictors Of Self-Efficacy Among Teachers In Vietnam, Giavanna Varuzzi
Theses and Dissertations
Limited data suggests that contextual factors such as school characteristics and physical learning environment have an effect on teachers’ self-efficacy. The present study aims to examine the relationship between these contextual factors and how they affect self-efficacy in a sample of 1,961 teachers in Vietnam who taught Pre-K-12th grade. Self-reported measures were derived from the Organization for Economic Cooperation and Development (OECD) measure, and the Teacher Sense of Efficacy Scale – Short Form (TSES-SF). We evaluated the effects of contextual factors including: grade level, years of teaching experience, school sector (e.g., public school)/school location (e.g., urban), and physical learning environment …
The Effects Of Exosomes In Lead And Lps Induced Inflammation In Microglia, Yitzchak Lax
The Effects Of Exosomes In Lead And Lps Induced Inflammation In Microglia, Yitzchak Lax
Theses and Dissertations
Exosomes are membrane bound subcellular vesicles formed through membrane budding of a cell and play important roles in cell-cell communication. Studies have demonstrated inflammatory changes in various cell types depending on the etiology of the exosomes such as exosomes from cancer cells or exosomes derived from mesenchymal stem cells. The purpose of this study was to determine the inflammatory consequences of exosomes in microglial cells following exposure to lead, lipopolysaccharides (LPS) and lead+LPS. The cultured mouse microglial cells were treated at 0.01 μM, 0.1 μM and 1 μM of lead,- three environmentally relevant levels and LPS was used at 10 …
Moderation Of Collectivistic Ambivalence And Psychological Distress By Spiritual Well Being Among Asian Indian Americans, Monson Kuriakose Varghese
Moderation Of Collectivistic Ambivalence And Psychological Distress By Spiritual Well Being Among Asian Indian Americans, Monson Kuriakose Varghese
Theses and Dissertations
This study examined the moderating role of spiritual well-being in the relationship between collectivistic ambivalence and psychological distress among Asian Indian Americans. A convenience sample of 102 Asian Indian Americans participated in an online survey measuring collectivistic ambivalence, psychological distress, and spiritual well-being, including existential and religious dimensions. Consistent with hypotheses, collectivistic ambivalence positively correlated with psychological distress, suggesting that internal conflicts between collectivistic expectations and individualistic desires significantly impact mental health in this bicultural population. Spiritual well-being significantly moderated this relationship, with higher spiritual well-being mitigating the psychological consequences associated with collectivistic ambivalence. Further exploratory analyses revealed that existential …
Historical Loss, Negative Emotions, And Ambulatory Blood Pressure Among An Urban Sample Of American Indians And Alaska Natives, Milena Valentina Tutiven Alarcón
Historical Loss, Negative Emotions, And Ambulatory Blood Pressure Among An Urban Sample Of American Indians And Alaska Natives, Milena Valentina Tutiven Alarcón
Theses and Dissertations
Since the 16th century, American Indians/Alaska Natives have faced significant traumatic events including loss of tribal lands and forced removal of family; these events are historical trauma exposure. Historical trauma can be assessed through historical loss thinking, a potential sequela from historical trauma. Historical loss thinking is the frequency of thoughts about communal loss (e.g., land and language loss) and has been consistently associated with negative psychological outcomes including negative emotions (i.e., depression/sadness, anger, anxiety/nervousness), substance use, and suicidality (Edinoff et al., 2024; Gone et al., 2019; Smallwood et al., 2021; Whitbeck et al., 2004). Though historical loss thinking is …