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1 – 10 of over 8000Frances Rust and Diane Yendol-Hoppey
This chapter examines the professional background, trajectories, and learning of a broad group of teacher educators involved in initial teacher education. The work specifically…
Abstract
This chapter examines the professional background, trajectories, and learning of a broad group of teacher educators involved in initial teacher education. The work specifically identifies those who shape the practice of teaching. The authors who are members of the International Forum on Teacher Educator Development (InFo-TED) were key to the creation of InFo-TED, NA (North America), which has used Zoom technology to launch and spread its efforts. Its central purpose is to spur teacher educators and policymakers to embrace new ways to educate all children.
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Eline Vanassche, Frances Rust, Paul F. Conway, Kari Smith, Hanne Tack and Ruben Vanderlinde
This chapter is contributed by InFo-TED, the International Forum for Teacher Educator Development. This newly established community brings together people from across the world to…
Abstract
This chapter is contributed by InFo-TED, the International Forum for Teacher Educator Development. This newly established community brings together people from across the world to exchange research, policy, and practice related to teacher educators' professional learning and development. We define teacher educators broadly as those who are professionally involved and engaged in the initial and ongoing education of teachers. Our contention is that while there is general agreement about the important role played by teacher educators, their professional education is understudied and undersupported. Here, we elaborate the rationale for this initiative, delineate our conceptual framework, and provide examples of steps taken in Belgium, Ireland, and Norway to develop the professional identities and knowledge bases of those who educate and support teachers, and conclude with implications for a scholarly study agenda having to do with research, policy, and practice relating to teacher educators' professional development.
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Kari Smith and Ruben Vanderlinde
This chapter traces the development of InFo-TED, the International Forum for Teacher Educators' Development, which originated with four European teacher educators in 2013. Given…
Abstract
This chapter traces the development of InFo-TED, the International Forum for Teacher Educators' Development, which originated with four European teacher educators in 2013. Given that the role of teacher educators is largely missing in the description of the enactment of teacher education, this work focused attention solely on teacher educators and their professional development, as well on how its membership kept InFo-TED growing and expanding internationally. Two contrasting narratives of teacher educator are included to show the diversity in their preparation and roles. The chapter ends with generic features of teacher educators' work and a discussion of what factors are more nationally, institutionally, and not to be overlooked, personally dependent. Erasmus funding and dissemination were discussed, all with the intent of understanding how to act locally, but impact globally.
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This paper aims to focus on scrutinizing the economics of greenhouse gas (GHG) emissions in Vietnam's rice production sector.
Abstract
Purpose
This paper aims to focus on scrutinizing the economics of greenhouse gas (GHG) emissions in Vietnam's rice production sector.
Design/methodology/approach
Using surveyed data from household rice producers, the smallest available production scale, the author delves into the economics of GHG emissions, constructs a data-driven bottom-up marginal abatement cost curve for Vietnam’s rice production, and evaluates the impacts of carbon pricing on production outputs and GHG emissions.
Findings
The author’s estimates reveal that the average profit earned per tonne of GHG emissions is $240/tCO2. Notably, the profit earning per tonne of GHG emissions varies substantially across producers, indicating significant opportunities for improvement among low-efficiency producers. The analysis suggests that a reasonable carbon price would yield a modest impact on the national rice output. The quantitative analysis also reaffirms that the primary driver of GHG emissions in Vietnam’s rice production stems from non-energy inputs and industrial processes rather than the utilisation of energy inputs, emphasizing the importance of improving cultivation techniques.
Originality/value
This research is original.
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Aicha Gasmi, Marc Heran, Noureddine Elboughdiri, Lioua Kolsi, Djamel Ghernaout, Ahmed Hannachi and Alain Grasmick
The main purpose of this study resides essentially in the development of a new tool to quantify the biomass in the bioreactor operating under steady state conditions.
Abstract
Purpose
The main purpose of this study resides essentially in the development of a new tool to quantify the biomass in the bioreactor operating under steady state conditions.
Design/methodology/approach
Modeling is the most relevant tool for understanding the functioning of some complex processes such as biological wastewater treatment. A steady state model equation of activated sludge model 1 (ASM1) was developed, especially for autotrophic biomass (XBA) and for oxygen uptake rate (OUR). Furthermore, a respirometric measurement, under steady state and endogenous conditions, was used as a new tool for quantifying the viable biomass concentration in the bioreactor.
Findings
The developed steady state equations simplified the sensitivity analysis and allowed the autotrophic biomass (XBA) quantification. Indeed, the XBA concentration was approximately 212 mg COD/L and 454 mgCOD/L for SRT, equal to 20 and 40 d, respectively. Under the steady state condition, monitoring of endogenous OUR permitted biomass quantification in the bioreactor. Comparing XBA obtained by the steady state equation and respirometric tool indicated a percentage deviation of about 3 to 13%. Modeling bioreactor using GPS-X showed an excellent agreement between simulation and experimental measurements concerning the XBA evolution.
Originality/value
These results confirmed the importance of respirometric measurements as a simple and available tool for quantifying biomass.
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Adewale Allen Sokan-Adeaga, Godson R.E.E. Ana, Abel Olajide Olorunnisola, Micheal Ayodeji Sokan-Adeaga, Hridoy Roy, Md Sumon Reza and Md. Shahinoor Islam
This study aims to assess the effect of water variation on bioethanol production from cassava peels (CP) using Saccharomyces cerevisiae yeast as the ethanologenic agent.
Abstract
Purpose
This study aims to assess the effect of water variation on bioethanol production from cassava peels (CP) using Saccharomyces cerevisiae yeast as the ethanologenic agent.
Design/methodology/approach
The milled CP was divided into three treatment groups in a small-scale flask experiment where each 20 g CP was subjected to two-stage hydrolysis. Different amount of water was added to the fermentation process of CP. The fermented samples were collected every 24 h for various analyses.
Findings
The results of the fermentation revealed that the highest ethanol productivity and fermentation efficiency was obtained at 17.38 ± 0.30% and 0.139 ± 0.003 gL−1 h−1. The study affirmed that ethanol production was increased for the addition of water up to 35% for the CP hydrolysate process.
Practical implications
The finding of this study demonstrates that S. cerevisiae is the key player in industrial ethanol production among a variety of yeasts that produce ethanol through sugar fermentation. In order to design truly sustainable processes, it should be expanded to include a thorough analysis and the gradual scaling-up of this process to an industrial level.
Originality/value
This paper is an original research work dealing with bioethanol production from CP using S. cerevisiae microbe.
Highlights
Hydrolysis of cassava peels using 13.1 M H2SO4 at 100 oC for 110 min gave high Glucose productivity
Highest ethanol production was obtained at 72 h of fermentation using Saccharomyces cerevisiae
Optimal bioethanol concentration and yield were obtained at a hydration level of 35% agitation
Highest ethanol productivity and fermentation efficiency were 17.3%, 0.139 g.L−1.h−1
Hydrolysis of cassava peels using 13.1 M H2SO4 at 100 oC for 110 min gave high Glucose productivity
Highest ethanol production was obtained at 72 h of fermentation using Saccharomyces cerevisiae
Optimal bioethanol concentration and yield were obtained at a hydration level of 35% agitation
Highest ethanol productivity and fermentation efficiency were 17.3%, 0.139 g.L−1.h−1
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Jiao Chen, Dingqiang Sun, Funing Zhong, Yanjun Ren and Lei Li
Studies on developed economies showed that imposing taxes on animal-based foods could effectively reduce agricultural greenhouse gas emissions (AGHGEs), while this taxation may…
Abstract
Purpose
Studies on developed economies showed that imposing taxes on animal-based foods could effectively reduce agricultural greenhouse gas emissions (AGHGEs), while this taxation may not be appropriate in developing countries due to the complex nutritional status across income classes. Hence, this study aims to explore optimal tax rate levels considering both emission reduction and nutrient intake, and examine the heterogenous effects of taxation across various income classes in urban and rural China.
Design/methodology/approach
The authors estimated the Quadratic Almost Ideal Demand System model to calculate the price elasticities for eight food groups, and performed three simulations to explore the relative optimal tax regions via the relationships between effective animal protein intake loss and AGHGE reduction by taxes.
Findings
The results showed that the optimal tax rate bands can be found, depending on the reference levels of animal protein intake. Designing taxes on beef, mutton and pork could be a preliminary option for reducing AGHGEs in China, but subsidy policy should be designed for low-income populations at the same time. Generally, urban residents have more potential to reduce AGHGEs than rural residents, and higher income classes reduce more AGHGEs than lower income classes.
Originality/value
This study fills the gap in the literature by developing the methods to design taxes on animal-based foods from the perspectives of both nutrient intake and emission reduction. This methodology can also be applied to analyze food taxes and GHGE issues in other developing countries.
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Mahvia Gull, Zartashia Kynat Javaid, Kamran Khan and Husnain Ali Chaudhry
Stigma is a major impediment to human rights in health care that causes discrimination, isolation and the exclusion of individuals from essential health-care services. It fosters…
Abstract
Purpose
Stigma is a major impediment to human rights in health care that causes discrimination, isolation and the exclusion of individuals from essential health-care services. It fosters fear, leading to negative stereotyping of individuals based on their social, cultural or health status and undermines their dignity and respect, consequently violating their right to health. Therefore, the purpose of this study is to evaluate the moderating role of psychological flexibility in the relationship between stigma (enacted, anticipated and internalized), mental health and the quality of life of substance users.
Design/methodology/approach
This study was based on a cross-sectional design and included 200 male patients with an age range of 18–65 years from 23 rehabilitation centers in four cities in Pakistan. The purposive sampling technique was used, and the sample size ranged from 4 to 23 participants for each site. Four scales were used to measure stigma, general mental health, quality of life and psychological flexibility in substance users.
Findings
The data were analyzed using SPSS and Smart PLS, which showed that stigma (enacted, anticipated and internalized) had a detrimental effect on substance users’ mental health and quality of life. Additionally, psychological flexibility acts as an efficient moderator between them.
Originality/value
This research unveils the moderating role of psychological flexibility in mitigating stigma’s adverse effects on individuals with substance use disorders. Future investigations should prioritize interventions aimed at enhancing psychological flexibility to ameliorate the repercussions of stigma, ultimately enhancing the well-being and quality of life of substance users.
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Christine Friestad, Unn Kristin Haukvik, Berit Johnsen and Solveig Karin Vatnar
This study aims to provide an overview and quality appraisal of the current scientific evidence concerning the prevalence and characteristics of mental and physical disorders…
Abstract
Purpose
This study aims to provide an overview and quality appraisal of the current scientific evidence concerning the prevalence and characteristics of mental and physical disorders among sentenced female prisoners.
Design/methodology/approach
A mixed-methods systematic literature review.
Findings
A total of 4 reviews and 39 single studies met the inclusion criteria for the review. Mental disorders were the main area of investigation in the majority of single studies, with substance abuse, particularly drug abuse, as the most consistently gender biased disorder, with higher prevalence among women than men in prison. The review identified a lack of updated systematic evidence on the presence of multi-morbidity.
Originality/value
This study provides an up-to-date overview and quality appraisal of the current scientific evidence concerning the prevalence and characteristics of mental and physical disorders among female prisoners.
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