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Protecting New Hoosiers And Their Parents, Inga Nordgren, Robert Duncan, Kate Kester, Shelley Macdermid Wadsworth Jan 2023

Protecting New Hoosiers And Their Parents, Inga Nordgren, Robert Duncan, Kate Kester, Shelley Macdermid Wadsworth

Center for Families Publications

No abstract provided.

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“For The Moment, I Am Not F*Cking,” I Am Tweeting: Platforms Of / As Sexuality, Jacob Johanssen Jan 2023

“For The Moment, I Am Not F*Cking,” I Am Tweeting: Platforms Of / As Sexuality, Jacob Johanssen

CLCWeb: Comparative Literature and Culture

This article develops the argument that digital platforms are significantly infused with originary (and unconscious) residues of the sexual. Drawing on Laplancheian conceptualizations of sexuality, I argue that the digital has always been sexual(ised) in itself – a process that precedes and exceeds the erotic or pornographic. For Laplanche, sexuality is constitutive of the human subject as such. Infantile sexuality is shaped and transformed in an enigmatic relation with the caregiver. Drawing on this model as an analogy, I claim that users are drawn to platforms because they (unconsciously) desire to return to infantile sexuality and a holding environment but …

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Amazon Web Services, The Lacanian Unconscious, And Digital Life, Marshall N. Armintor Jan 2023

Amazon Web Services, The Lacanian Unconscious, And Digital Life, Marshall N. Armintor

CLCWeb: Comparative Literature and Culture

In late 2011, ex-Amazon developer Steve Yegge’s rant about his former company described Amazon’s rapid transformation from an online bookstore to a web-services entity with a ruthlessly unified platform, all guided by the idea that the company’s effort to streamline its internal efficiency could be monetized, and the resultant software products sold through Amazon Web Services. The media consumerism that fed Amazon’s early years funded a surveilling behemoth, one that everyone feared Microsoft would become. As such, AWS has become a manifestation of the internet’s Lacanian unconscious (even providing the services and hosting for Reddit), structured around the optimization of …

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Purloined Significance: How Recidivism Algorithms Capture, Transform, And Automate Our Intersubjective Unconscious As Data, Macy Mcdonald Jan 2023

Purloined Significance: How Recidivism Algorithms Capture, Transform, And Automate Our Intersubjective Unconscious As Data, Macy Mcdonald

CLCWeb: Comparative Literature and Culture

Ever since ProPublica published their groundbreaking analysis of Northpointe’s Correctional Offender Management Profiling for Alternative Sanctions Core Risk and Needs Assessment software (COMPAS) in 2016, this web-based decision support system (DSS) has spawned a wide range of critiques and charges of racial bias. COMPAS provides a full suite of decision support applications to the US prison-industrial complex, including algorithmically derived recidivism predictions that increasingly guide parole decisions. The larger conversation surrounding COMPAS raises the question of how we analyze powerful, and yet opaque, data assemblages. In this article, I model an allegorical analysis of data assemblages. I argue the skills …

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Community Despite Connection: Resisting The Digital Logics Of Optimization And Failure, Irina Kalinka Jan 2023

Community Despite Connection: Resisting The Digital Logics Of Optimization And Failure, Irina Kalinka

CLCWeb: Comparative Literature and Culture

If a certain brand of aspirational tech-utopian discourse is to be believed, those privileged enough to be plugged into digital information technology are living through a golden age of connection. Platforms claim to facilitate sharing and partaking, bring people together, and bestow upon them new and improved spaces to gather and build communities. While reality differs decidedly from such idealized conceptions, it is nonetheless crucial to ask what kind of guiding vision is being instituted through such representational efforts: namely, the figure of community made operational and optimizable. This project will reject such idealized visions of coherent communities drawn together …

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The Social Sinthome, Ryan Engley Jan 2023

The Social Sinthome, Ryan Engley

CLCWeb: Comparative Literature and Culture

Much of the critical discourse on social media misidentifies its problematic features as bugs, or problems to solve. Supposed solutions to these problems tend to focus on individual actions. We should delete the apps, own our own data, never click on recommended videos, and realize that we are the product. But if predatory algorithms succeed by individuating people—selling people “choice” and “options” as it harvests user data—then an entire online ecosystem arranged through the logic of that design can neither be meaningfully challenged nor effectively understood at the level of the individual alone. Transformative action addressing social media can only …

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#Emotional: Exploitation & Burnout In Creator Culture, Sarah Thorne Jan 2023

#Emotional: Exploitation & Burnout In Creator Culture, Sarah Thorne

CLCWeb: Comparative Literature and Culture

In recent years, a growing list of content creators have published videos announcing that they are leaving YouTube, taking a break, or reducing their upload schedule (Alexander). Many of these young creators state that their decision resulted from burnout, caused by a relentless schedule and obsession with YouTube’s algorithm and analytics— tools essential to success on this highly competitive creative platform (Srnicek). Its opaque algorithm, however, induces anxiety; an affect described as that which “arises when the subject is confronted by the desire of the Other and does not know what object he is for that desire” (Evans 12). Here, …

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Everybody Wants To Be A Fascist Online: Psychoanalysis And The Digital Architecture Of Fascism, Anthony Faramelli, Imogen Piper Jan 2023

Everybody Wants To Be A Fascist Online: Psychoanalysis And The Digital Architecture Of Fascism, Anthony Faramelli, Imogen Piper

CLCWeb: Comparative Literature and Culture

Félix Guattari and Franco Berardi have both argued that media ecologies and psychic ecologies are intimately intertwined and as such, any exploration of the collective unconscious must engage with how the mind is formed with and through media. This understanding of networks of interdependence necessitates an exploration of how platformization has impacted users” collective psyche. Drawing from psychosocial theory, psychoanalysis and the work of Félix Guattari, this article analizes the micropolitics of desire of digital platforms, with an explicit focus on how algorithmic structures amplify extreme Right content, allowing fascisms to metastasis throughout digital spaces. It will first examine the …

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“There Is No Pandemic”: On Memes, Algorithms And Other Interpassive Forms Of Right-Wing Disbelief, Scott Krzych Jan 2023

“There Is No Pandemic”: On Memes, Algorithms And Other Interpassive Forms Of Right-Wing Disbelief, Scott Krzych

CLCWeb: Comparative Literature and Culture

This essay examines several prominent memes that have circulated on Right-wing social media during the Covid-19 pandemic. The memes coordinate what I describe as a mode of interpassive humor, which positions those who “believe” in the crisis as naïve dupes, infantilizing those subjects who have fallen prey to the idea that they should take the pandemic seriously, and thereby delegating fearfulness to the other so that reactionary Covid-19 denialists may continue with their lives unaffected. The essay thereby seeks to draw suggestive lines of affiliation between studies of digital memes, evolutionary mimetics, and psychoanalytic theory, pointing to the algorithmic …

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“Love Thy Social Media!”: Hysteria And The Interpassive Subject, Jack Black Jan 2023

“Love Thy Social Media!”: Hysteria And The Interpassive Subject, Jack Black

CLCWeb: Comparative Literature and Culture

According to the 2020 docudrama, The Social Dilemma, our very addiction to “social media” has, today, become encapsulated in the tensions between its facilitation as a mode of interpersonal communication and as an insidious conduit for machine learning, surveillance capitalism and manipulation. Amidst a variety of interviewees – many of whom are former employees of social media companies – the documentary finishes on a unanimous conclusion: something must change. By using the docudrama as a pertinent example of our “social media malaise,” and while remaining aware of the problems and unethical practices encompassing international digital/social media companies, this paper …

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Stalking Oneself: The Fantasmatic Intersubjectivity Of Google, Alois Sieben Jan 2023

Stalking Oneself: The Fantasmatic Intersubjectivity Of Google, Alois Sieben

CLCWeb: Comparative Literature and Culture

This essay reads fictional and non-fictional accounts of digital stalking as signals of larger changes in intersubjectivity itself caused by Google. Most social media platforms trap users in imaginary relations, in which the other is encountered as a complete profile, but Google allows the searcher to locate an absence in the other in the form of a missing search result. As will be shown in an analysis of two contemporary novels whose first-person narrations center around Google-stalking, Caroline Kepnes’s You (2014) and Olivia Sudjic’s Sympathy (2017), Google’s mode of intersubjectivity amounts to an endless tunnel with no light at its …

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Lacan And The Algorithm, Clint Burnham Jan 2023

Lacan And The Algorithm, Clint Burnham

CLCWeb: Comparative Literature and Culture

Exploring the development of algorithms in Lacanian theory, specifically the "R schema" in the 1950s, I argue that psychoanalysis, read through contemporary debates about the "algorithmic cult" of Netflix and other avatars of popular culture, can be said to reveal the inhuman, machinic essence of subjectivity. The etiology of algorithms, mathemes, and other formulae and diagrams in Lacan’s oeuvre has been under-studied, in part because for some readers they are not as attractive as his more bravura flourishes of word play as exegetical excess, and in part because they derive largely from the ‘hard’ structuralist moment of his work in …

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Platform Psychoanalysis: What Does The Algorithm Want?, Matthew Flisfeder Jan 2023

Platform Psychoanalysis: What Does The Algorithm Want?, Matthew Flisfeder

CLCWeb: Comparative Literature and Culture

No abstract provided.

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A New Mechanism For Glymphatic Flow Of Interstitial Fluid In Branched Perivascular Spaces Of The Brain, Charles F. Babbs Jan 2023

A New Mechanism For Glymphatic Flow Of Interstitial Fluid In Branched Perivascular Spaces Of The Brain, Charles F. Babbs

Weldon School of Biomedical Engineering Faculty Working Papers

Objective. To explore the biophysics of interstitial tissue fluid flow in the brain, based upon the anatomy and mechanics of the perivascular spaces, in order to better understand how glymphatic flow happens. Methods. The dynamics of fluid flow at cardiac frequencies are investigated in rapidly computable, branched, geometric models of brain tissue at multiple scales. The models are supplied by intermingled trees of penetrating arteries and veins. They include pulsatile changes in intracranial pressure and intravascular pressure, elastic expansion of brain tissue, and nonlinear changes in resistance to flow of cerebrospinal fluid along the axis of the Virchow-Robin space. Resulting …

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U.S. Energy Information Administration Information Resources, Bert Chapman Jan 2023

U.S. Energy Information Administration Information Resources, Bert Chapman

Libraries Faculty and Staff Presentations

Provides information about the resources produced by U.S. Department of Energy's Energy Information Administration. These resources cover energy statistics for U.S., states, the United States, and foreign countries. They also cover energy products as varied as coal, natural gas, nuclear energy, petroleum, and renewable energy.

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Towards Generalization Of Deep Learning-Based Plant Disease Identification Under Controlled And Field Conditions, Aanis Ahmad, Aly El Gamal, Dharmendra Saraswat Jan 2023

Towards Generalization Of Deep Learning-Based Plant Disease Identification Under Controlled And Field Conditions, Aanis Ahmad, Aly El Gamal, Dharmendra Saraswat

Purdue University Libraries Open Access Publishing Fund

Identifying corn diseases under field conditions is crucial for implementing effective disease management systems. Deep learning (DL)-based plant disease identification using deep neural networks (DNN) has been successfully implemented in recent years. Recent work suggests DL models trained on lab-acquired image data do not generalize to similar accuracy levels for identifying diseases in the field. Additionally, most studies have not evaluated the generalizability of DL models for identifying plant diseases from various datasets and diverse imaging conditions. This study evaluates how well DL models generalize across different datasets and environmental conditions for identifying plant diseases using five datasets consisting of …

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Particle Alignment Effects On Mechanical Properties Of Cellulose Nanocrystal Thin Films, Hyeyoung Son, Dawson Michael Smith, Zhaofan Li, Taehoo Chang, Wenjie Xia, Chelsea Simone Davis Jan 2023

Particle Alignment Effects On Mechanical Properties Of Cellulose Nanocrystal Thin Films, Hyeyoung Son, Dawson Michael Smith, Zhaofan Li, Taehoo Chang, Wenjie Xia, Chelsea Simone Davis

Purdue University Libraries Open Access Publishing Fund

Cellulose nanocrystal (CNC) thin films are of increasing interest as sustainable materials due to their anisotropic mechanical properties. Previous computational work has shown that the fracture mechanisms of CNC films vary as a function of particle alignment with respect to the loading direction. However, it is challenging to experimentally measure the mechanical anisotropy of extremely thin CNC films due to their brittleness. Here, a new experimental approach was developed to identify the effect of CNC alignment on modulus while simultaneously observing the fracture mechanisms. In this method, uniaxial tensile strain is applied to a CNC film laminated on a silicone …

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Organizational Safety Culture In Pilot Training Schools: Case Of North Texas In The Usa And South Korea, Seock-Jin Hong, Woongyi Kim, Steve S. Joiner Mr. Jan 2023

Organizational Safety Culture In Pilot Training Schools: Case Of North Texas In The Usa And South Korea, Seock-Jin Hong, Woongyi Kim, Steve S. Joiner Mr.

Journal of Aviation Technology and Engineering

The sudden increased need for qualified pilots can cause potential risks for aviation training schools in South Korea because new pilot training programs need to be created, or existing organizations need to be expanded quickly. This study investigates safety culture at pilot training schools, builds a conceptual framework, and identifies the relationship between the sub-safety culture category and safety culture level in commercial pilot training schools. The authors survey the safety culture and management for the organizational aspect of these pilot training schools to clarify essential concepts and generate a conceptual safety management model. The authors examine the differences in …

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Serving The Underserved Amid Covid-19: The Case Of A Virtual, Culturally Responsive Summer Engineering Camp, Tonisha B. Lane, Eugenia Vomvoridi-Ivanovic, Leia K. Cain, Selene Willis, Salam Ahmad, Jonathan Gaines Jan 2023

Serving The Underserved Amid Covid-19: The Case Of A Virtual, Culturally Responsive Summer Engineering Camp, Tonisha B. Lane, Eugenia Vomvoridi-Ivanovic, Leia K. Cain, Selene Willis, Salam Ahmad, Jonathan Gaines

Journal of Pre-College Engineering Education Research (J-PEER)

The societal disruptions due to the novel coronavirus (COVID-19) pandemic are well noted, especially in the context of science, technology, engineering, and mathematics (STEM) education. Absent a concerted effort to sustain hands-on learning opportunities in STEM amid the crisis, the consequences of COVID-19 may exacerbate existing inequities and racial disparities among youth of color further stratifying the STEM fields. In the current study, we applied a mixed-method descriptive case study design, using online learning theory and culturally responsive pedagogy as our conceptual framework, to describe how participants experienced this camp, held online due to disruptions of COVID-19, in the southeastern …

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Ethylene-Triggered Subcellular Trafficking Of Ctr1 Enhances The Response To Ethylene Gas, Hye Lin Park, Dong Hye Seo, Han Yong Lee, Arkadipta Bakshi, Chanung Park, Yuan-Chi Chien, Joseph J. Kieber, Brad M. Binder, Gyeong Mee Yoon Jan 2023

Ethylene-Triggered Subcellular Trafficking Of Ctr1 Enhances The Response To Ethylene Gas, Hye Lin Park, Dong Hye Seo, Han Yong Lee, Arkadipta Bakshi, Chanung Park, Yuan-Chi Chien, Joseph J. Kieber, Brad M. Binder, Gyeong Mee Yoon

Purdue University Libraries Open Access Publishing Fund

The phytohormone ethylene controls plant growth and stress responses. Ethylene-exposed dark-grown Arabidopsis seedlings exhibit dramatic growth reduction, yet the seedlings rapidly return to the basal growth rate when ethylene gas is removed. However, the underlying mechanism governing this acclimation of dark-grown seedlings to ethylene remains enigmatic. Here, we report that ethylene triggers the translocation of the Raf-like protein kinase CONSTITUTIVE TRIPLE RESPONSE1 (CTR1), a negative regulator of ethylene signaling, from the endoplasmic reticulum to the nucleus. Nuclear-localized CTR1 stabilizes the ETHYLENE-INSENSITIVE3 (EIN3) transcription factor by interacting with and inhibiting EIN3-BINDING F-box (EBF) proteins, thus enhancing the ethylene response and delaying …

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Electric Field-Assisted Nanofiltration For Pfoa Removal With Exceptional Flux, Selectivity, And Destruction, Yangyuan Ji, Youn Jeong Choi, Yuhang Fang, Hoang Son Pham, Alliyan Tan Nou, Linda S. Lee, Junfeng Niu, David M. Warsinger Jan 2023

Electric Field-Assisted Nanofiltration For Pfoa Removal With Exceptional Flux, Selectivity, And Destruction, Yangyuan Ji, Youn Jeong Choi, Yuhang Fang, Hoang Son Pham, Alliyan Tan Nou, Linda S. Lee, Junfeng Niu, David M. Warsinger

School of Mechanical Engineering Faculty Publications

Per- and polyfluoroalkyl substances (PFAS) pose significant environmental and human health risks and thus require solutions for their removal and destruction. However, PFAS cannot be destroyed by widely used removal processes like nanofiltration (NF). A few scarcely implemented advanced oxidation processes can degrade PFAS. In this study, we apply an electric field to a membrane system by placing a nanofiltration membrane between reactive electrodes in a crossflow configuration. The performance of perfluorooctanoic acid (PFOA) rejection, water flux, and energy consumption were evaluated. The reactive and robust SnO2–Sb porous anode was created via a sintering and sol–gel process. The characterization and …

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Microcontrollers To Teach Automation Basics, Jonathan Shimon Jan 2023

Microcontrollers To Teach Automation Basics, Jonathan Shimon

Symposium on Education in Entertainment and Engineering

Microcontrollers to Teach Automation Basics Introducing students to the fundamentals of automation can be a massive undertaking for faculty. Scenic automation systems can be very complex in order to prepare students for this emerging area of technical theatre it behooves faculty to find innovative ways to fit the foundations and concepts into curriculum. Many automation solutions exist on the market, from plug and play to component level they are all in the thousands of dollar and take up significant space. It would be impractical for each student in an undergraduate program to have their own system. Arduino microcontrollers that incorporate …

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Demonstrating Non-Isothermal Vacuum Membrane Air Dehumidification For Efficient Next-Generation Air Conditioning, Andrew J. Fix, Shivam Gupta, James E. Braun, David M. Warsinger Jan 2023

Demonstrating Non-Isothermal Vacuum Membrane Air Dehumidification For Efficient Next-Generation Air Conditioning, Andrew J. Fix, Shivam Gupta, James E. Braun, David M. Warsinger

School of Mechanical Engineering Faculty Publications

Vacuum membrane air dehumidification has gained significant interest in recent years as a highly efficient means of air dehumidification. Prior theoretical modeling work by the authors 1 introduced the Active Membrane Energy Exchanger (AMX) concept, which combines active heat exchange and vacuum membrane dehumidification into one non-isothermal system, and found that it could outperform other air conditioning technologies under many conditions. However, no experimental literature exists on combining active heat exchangers and vacuum membrane dehumidification. The goal of the present study is to evaluate the dehumidification (mass transfer) performance of the AMX concept relative to isothermal membrane dehumidification through three …

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Programable Sound Absorption Performance Enabled By 3d Printing, William Johnston, Yutong Xue, Bhisham Sharma, J Stuart Bolton Jan 2023

Programable Sound Absorption Performance Enabled By 3d Printing, William Johnston, Yutong Xue, Bhisham Sharma, J Stuart Bolton

Publications of the Ray W. Herrick Laboratories

Design of acoustic materials can be achieved through the connection between their geometry and acoustical performance. Here, we propose 3D-printing as an enabling technology that allows us to precisely control an acoustic material’s micro-geometry and orientation, which then eliminates microscopic geometry bias due to conventional manufacturing process, thus realizing precise material characterization at the 3D-printing CAD programming stage. This concept was practiced in the current study focusing on 3D-printing fibrous sound absorbing layers. A fused deposition modeling (FDM) method was applied to produce the fibers. A Tarnow-based airflow resistivity model was implemented together with Johnson-Champoux-Allard and Biot theories for modeling …

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Rheology Of 3d Printable Ceramic Suspensions: Effects Of Non-Adsorbing Polymer On Discontinuous Shear Thickening, Ria D. Corder, Yuan-Jung Chen, Pattiya Pibulchinda, Jeffrey P. Youngblood, Arezoo M. Ardekani, Kendra Erk Jan 2023

Rheology Of 3d Printable Ceramic Suspensions: Effects Of Non-Adsorbing Polymer On Discontinuous Shear Thickening, Ria D. Corder, Yuan-Jung Chen, Pattiya Pibulchinda, Jeffrey P. Youngblood, Arezoo M. Ardekani, Kendra Erk

School of Materials Engineering Faculty Publications

Concentrated suspensions of particles at volume fractions (ϕ) ≥ 0.5 often exhibit complex rheological behavior, transitioning from shear thinning to shear thickening as the shear stress or shear rate is increased. These suspensions can be extruded to form 3D structures, with non-adsorbing polymers often added as rheology modifiers to improve printability. Understanding how non-adsorbing polymers affect the suspension rheology, particularly the onset of shear thickening, is critical to the design of particle inks that will extrude uniformly. In this work, we examine the rheology of concentrated aqueous suspensions of colloidal alumina particles and the effects of adding non-adsorbing polyvinylpyrrolidone (PVP). …

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Exploring Barriers To The Adoption Of Internet Of Things-Based Precision Agriculture Practices, Gaganpreet Singh Hundal, Chad Laux, Dennis R. Buckmaster, Mathias J. Sutton, Michael Langemeier Jan 2023

Exploring Barriers To The Adoption Of Internet Of Things-Based Precision Agriculture Practices, Gaganpreet Singh Hundal, Chad Laux, Dennis R. Buckmaster, Mathias J. Sutton, Michael Langemeier

Faculty Publications

The production of row crops in the Midwestern (Indiana) region of the US has been facing environmental and economic sustainability issues. There has been an increase in trend for the application of fertilizers (nitrogen & phosphorus), farm machinery fuel costs and decreasing labor productivity leading to non-optimized usage of farm inputs. Literature describes how sustainable practices such as profitability (return on investments), operational cost reduction, hazardous waste reduction, delivery performance and overall productivity might be adopted in the context of precision agriculture technologies (variable rate irrigation, variable rate fertilization, cloud-based analytics, and telematics for farm machinery navigation). The literature review …

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Moving Beyond Dosage And Adherence: A Protocol For Capturing Dimensions Of Active Child Engagement As A Measure Of Fidelity For Social-Emotional Learning Interventions, Brianna L. Devlin, Tanya M. Paes, Elyssa A. Geer, Lindsey M. Bryant, Tracy M. Zehner, Irem Korucu, Kathleen Morse, Robert Duncan, David J. Purpura, Sara A. Schmitt Jan 2023

Moving Beyond Dosage And Adherence: A Protocol For Capturing Dimensions Of Active Child Engagement As A Measure Of Fidelity For Social-Emotional Learning Interventions, Brianna L. Devlin, Tanya M. Paes, Elyssa A. Geer, Lindsey M. Bryant, Tracy M. Zehner, Irem Korucu, Kathleen Morse, Robert Duncan, David J. Purpura, Sara A. Schmitt

Purdue Center for Early Learning Faculty and Staff Publications

Social-emotional competencies are important for school-readiness and can be supported through social-emotional learning (SEL) interventions in the preschool years. However, past research has demonstrated mixed efficacy of early SEL interventions across varied samples, highlighting a need to unpack the black box of which early interventions work, under what conditions, and for whom. In the present article we discuss the critical implementation component of active child engagement in an intervention as a potential point of disconnect between the intervention as designed and as implemented. Children who are physically present but unengaged during an intervention may lead to decreased average impacts of …

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A Scoping Review Of Campus-Based Animal-Assisted Interactions Programs For College Student Mental Health, Tanya K. Bailey Jan 2023

A Scoping Review Of Campus-Based Animal-Assisted Interactions Programs For College Student Mental Health, Tanya K. Bailey

People and Animals: The International Journal of Research and Practice

Background: People have long found support by interacting with animals, which has developed into a health care modality called animal-assisted interactions (AAI). In the past 10 years, AAI has increased as a way to support college students’ mental health; however, there is no comprehensive evidence on the effectiveness of these programs.
Method: A scoping review was conducted using the JBI and PRISMA-ScR criteria. Empirical articles were identified through Academic Search Premier (EBSCOhost), PsychINFO (Ovid), and Web of Science using three groups of keywords: AAI, college students, and mental health.
Results: Of the 1,195 publications identified, 37 met this study’s eligibility …

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Adapting A Narrative Curriculum To A Remote Format In The Context Of Socially Distanced Middle School Education Resulting From Covid-19, Jeremiah Pina, Rebecca Mazur, Glenn Ellis, Al Rudnitsky, Beth Mcginnis-Cavanaugh, Sonia Ellis, Isabel Huff, Crystal Ford Jan 2023

Adapting A Narrative Curriculum To A Remote Format In The Context Of Socially Distanced Middle School Education Resulting From Covid-19, Jeremiah Pina, Rebecca Mazur, Glenn Ellis, Al Rudnitsky, Beth Mcginnis-Cavanaugh, Sonia Ellis, Isabel Huff, Crystal Ford

Journal of Pre-College Engineering Education Research (J-PEER)

This paper describes the development of two versions of an NGSS-aligned principles of engineering design unit for use in middle schools. By employing a narrative framework that can help students to connect more deeply with the human contexts and consequences of the engineering design process, our goal was to enhance students’ cognitive and emotional engagement in the learning of engineering design concepts. We first detail the design of an initial version of the unit, titled The Survivorama, which used narrative to enrich a primarily traditional, in-person teaching approach. We then describe the adapted version of the unit, titled the Molasses …

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Sweetpotato Cultivars Responses To Interactive Effects Of Warming, Drought, And Elevated Carbon Dioxide, Shasthree Taduri, Raju Bheemanahalli, Chathurika Wijewardana, Ajaz A. Lone, Stephen L. Meyers, Mark Shankle, Wei Gao, K. Raja Reddy Jan 2023

Sweetpotato Cultivars Responses To Interactive Effects Of Warming, Drought, And Elevated Carbon Dioxide, Shasthree Taduri, Raju Bheemanahalli, Chathurika Wijewardana, Ajaz A. Lone, Stephen L. Meyers, Mark Shankle, Wei Gao, K. Raja Reddy

Department of Horticulture & Landscape Architecture Faculty Publications

Plants are sensitive to changes projected in climates, such as elevated carbon dioxide (eCO2), high temperature (T), and drought stress (DS), which affect crop growth, development, and yield. These stresses, either alone or in combination, affect all aspects of sweetpotato plant growth and development, including storage root development and yield. We tested three sweetpotato cultivars (Beauregard, Hatteras, and LA1188) responses to eight treatments (Control, DS, T, eCO2, DS + T, T + eCO2, DS + eCO2, DS + T + eCO2). All treatments were imposed 36 days after transplanting (DAP) and continued …

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