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Rachel B. Snider,Calli Shekell,Dionne Cross Francis,Heather Howell,Pavneet Kaur Bharaj 대한수학교육학회 2024 수학교육학연구 Vol.34 No.3
Practice-based teacher education is an approach used to support pre-service teacher (PST) learning of core teaching practices by closely examining and engaging in the practices themselves. Digital simulations are one tool used in PBTE which enables PSTs to focus their attention on aspects of teaching outside of the full demands of classroom teaching. In this descriptive case study, we focus on a Reflection Framework Tool used to support PSTs to debrief their experience facilitating an argumentation-focused discussion in a digital simulation. We report on the ways in which the Reflection Framework Tool provided insight into two PSTs' noticing and instructional visions, as well as the features of the tool that supported their learning. The Tool articulated a vision of argumentation-focused discussions and provided PSTs prompts on which to reflect, focusing their noticing on important aspects of argumentation-focused discussions. We argue that the Reflection Framework Tool guided PSTs' noticing by asking them to provide evidence from their discussion videos of alignment to the vision as articulated. It also gave the teacher educator insight into their instructional visions: where they showed evidence of alignment and where they were still developing. Findings indicated that PSTs noticed evidence from their discussions of teaching moves that supported argumentation-focused discussions. Both PSTs were aligned to the vision in some ways, but their conceptions were still developing. The scaffolded reflection format around which this study centered can be useful to teacher educators who want to support their PSTs to reflect in meaningful ways.
Using metaphorical techniques in focus groups to uncover mothers' feelings about family meals
Kling, Leslie,Cotugna, Nancy,Snider, Sue,Peterson, P. Michael The Korean Nutrition Society 2009 Nutrition Research and Practice Vol.2 No.2
Traditional nutrition education has not been shown to consistently produce behavior change. While it has been suggested that using emotion-based messages may be a better way to influence nutrition behavior change, this has not been well tested. Producing emotion-based messages is a multi-step process that begins with exploring subconscious barriers to behavior change rather than the more obvious and typically reported barriers. The purpose of this research was to uncover the emotional reasons, sometimes referred to as emotional pulse points, for mothers' choosing or not choosing to have more family meals. This would then serve as the first step to developing emotion-based messages promoting the benefits of family meals. Five focus group interviews were conducted with 51 low-income Black (n=28) and white (n=23) mothers. Metaphorical techniques were used to determine underlying feelings toward family and family meals. Discussions were video-taped, transcribed, and manually analyzed using a content-driven, immersion/crystallization approach to qualitative data analysis. Four themes emerged around the definition of family: acceptance, sharing, chaos, and protective/loyal. Some mothers felt mealtime was merely obligatory, and described it as stressful. Some reported a preference for attending to their own needs instead of sitting down with their children, while others felt that mealtime should be used to interact with and educate children and felt guilty when they were not able to provide family meals. Three themes emerged around feelings towards having or not having family meals: unimportant, important, and guilty. When explored further, mothers indicated that using the feeling of guilt to encourage family meals might be effective. Data obtained are being used to develop innovative, emotion-based messages that will be tested for effectiveness in promoting family meals.
Using metaphorical techniques in focus groups to uncover mothers’ feelings about family meals
Leslie Kling,Nancy Cotugna,Sue Snider,P. Michael Peterson 한국영양학회 2009 Nutrition Research and Practice Vol.3 No.3
Traditional nutrition education has not been shown to consistently produce behavior change. While it has been suggested that using emotion-based messages may be a better way to influence nutrition behavior change, this has not been well tested. Producing emotion-based messages is a multi-step process that begins with exploring subconscious barriers to behavior change rather than the more obvious and typically reported barriers. The purpose of this research was to uncover the emotional reasons, sometimes referred to as emotional pulse points, for mothers’ choosing or not choosing to have more family meals. This would then serve as the first step to developing emotion-based messages promoting the benefits of family meals. Five focus group interviews were conducted with 51 low-income Black (n=28) and white (n=23) mothers. Metaphorical techniques were used to determine underlying feelings toward family and family meals. Discussions were video-taped, transcribed, and manually analyzed using a content-driven, immersion/crystallization approach to qualitative data analysis. Four themes emerged around the definition of family: acceptance, sharing, chaos, and protective/loyal. Some mothers felt mealtime was merely obligatory, and described it as stressful. Some reported a preference for attending to their own needs instead of sitting down with their children, while others felt that mealtime should be used to interact with and educate children and felt guilty when they were not able to provide family meals. Three themes emerged around feelings towards having or not having family meals: unimportant, important, and guilty. When explored further, mothers indicated that using the feeling of guilt to encourage family meals might be effective. Data obtained are being used to develop innovative, emotion-based messages that will be tested for effectiveness in promoting family meals.
LM Test of Neglected Correlated Random Effects and Its Application
Hahn, Jinyong,Moon, Hyungsik Roger,Snider, Connan Informa UK (TaylorFrancis) 2017 Journal of business & economic statistics Vol.35 No.3
<P>This article aims at achieving two distinct goals. The first is to extend the existing LM test of overdispersion to the situation where the alternative hypothesis is characterized by the correlated random effects model. We obtain a result that the test against the random effects model has a certain max-min type optimality property. We will call such a test the LM test of overdispersion. The second goal of the article is to draw a connection between panel data analysis and the analysis of multiplicity of equilibrium in games. Because such multiplicity can be viewed as a particular form of neglected heterogeneity, we propose an intuitive specification test for a class of two-step game estimators.</P>
Lauren A. Renschler,Elizabeth A. Terrigino,Sabiya Azim,Elsa Snider,Darson L. Rhodes,Carol C. Cox 한국산업안전보건공단 산업안전보건연구원 2016 Safety and health at work Vol.7 No.2
A brief emergency planning educational presentation was taught during work hours to a convenience sample of employees of various workplaces in Northern Missouri, USA. Participants were familiarized with details about how an emergency plan is prepared by management and implemented by management-employee crisis management teams – focusing on both employee and management roles. They then applied the presentation information to assess their own organization’s emergency preparedness level. Participants possessed significantly (p < 0.05) higher perceptions of their organization’s level of emergency preparedness than non-participants. It is recommended that an assessment of organizational preparedness level supplement emergency planning educational presentations in order to immediately apply the material covered and encourage employees to become more involved in their organization’s emergency planning and response. Educational strategies that involve management-employee collaboration in activities tailored to each workplace’s operations and risk level for emergencies should be implemented.
Renschler, Lauren A.,Terrigino, Elizabeth A.,Azim, Sabiya,Snider, Elsa,Rhodes, Darson L.,Cox, Carol C. Occupational Safety and Health Research Institute 2016 Safety and health at work Vol.7 No.2
A brief emergency planning educational presentation was taught during work hours to a convenience sample of employees of various workplaces in Northern Missouri, USA. Participants were familiarized with details about how an emergency plan is prepared by management and implemented by management-employee crisis management teams - focusing on both employee and management roles. They then applied the presentation information to assess their own organization's emergency preparedness level. Participants possessed significantly (p < 0.05) higher perceptions of their organization's level of emergency preparedness than non-participants. It is recommended that an assessment of organizational preparedness level supplement emergency planning educational presentations in order to immediately apply the material covered and encourage employees to become more involved in their organization's emergency planning and response. Educational strategies that involve management-employee collaboration in activities tailored to each workplace's operations and risk level for emergencies should be implemented.
Potential role of orexin and sleep modulation in the pathogenesis of Alzheimer’s disease
Roh, Jee Hoon,Jiang, Hong,Finn, Mary Beth,Stewart, Floy R.,Mahan, Thomas E.,Cirrito, John R.,Heda, Ashish,Snider, B. Joy,Li, Mingjie,Yanagisawa, Masashi,de Lecea, Luis,Holtzman, David M. The Rockefeller University Press 2014 The Journal of experimental medicine Vol.211 No.13
<P>Age-related aggregation of amyloid-β (Aβ) is an upstream pathological event in Alzheimer’s disease (AD) pathogenesis, and it disrupts the sleep–wake cycle. The amount of sleep declines with aging and to a greater extent in AD. Poor sleep quality and insufficient amounts of sleep have been noted in humans with preclinical evidence of AD. However, how the amount and quality of sleep affects Aβ aggregation is not yet well understood. Orexins (hypocretins) initiate and maintain wakefulness, and loss of orexin-producing neurons causes narcolepsy. We tried to determine whether orexin release or secondary changes in sleep via orexin modulation affect Aβ pathology. Amyloid precursor protein (APP)/Presenilin 1 (PS1) transgenic mice, in which the orexin gene is knocked out, showed a marked decrease in the amount of Aβ pathology in the brain with an increase in sleep time. Focal overexpression of orexin in the hippocampus in APP/PS1 mice did not alter the total amount of sleep/wakefulness and the amount of Aβ pathology. In contrast, sleep deprivation or increasing wakefulness by rescue of orexinergic neurons in APP/PS1 mice lacking orexin increased the amount of Aβ pathology in the brain. Collectively, modulation of orexin and its effects on sleep appear to modulate Aβ pathology in the brain.</P>