Search results

This paper aims to identify the effectiveness, student perceptions and impacts of integrating comics into the English as a foreign language (EFL) writing curriculum for undergraduate Ecuadorian polytechnic students.

This research followed a mixed method design to obtain quantitative information through a researcher-made survey and paired T-test, which would be corroborated by the qualitative data obtained from semistructured interviews.

From the descriptive and T-test results and the interview answers, it is concluded that students have a favorable view of the effectiveness of using comics to improve their writing skills. They also expressed their engagement and motivation to work with comics.

First, the research sample, comprised of 109 students, may restrict the generalizability of the findings beyond the specific context of this study. This constraint suggests caution in extrapolating these findings to broader student cohorts, emphasizing the need for larger-scale studies to validate the robustness and applicability of the outcomes. Second, the study’s focus solely on students from a polytechnic state university introduces a potential limitation concerning the diversity and representativeness of the participant pool. Consequently, the findings might be limited in their applicability and may not fully encompass students’ varied responses and attitudes from other educational backgrounds.

The scaffolding afforded by comics aligns with genre-based literacy perspectives, valuing instruction in textual genres and social purposes. From a practical pedagogical point of view, this paper’s results suggest the potential of comic narratives and storyboarding. Comics writing could be added to classroom activities to vibrantly aboard brainstorming, drafting and peer reviewing before dealing with higher-stakes assignments. Legitimizing alternative mediums like comics for academic writing tasks has social implications for promoting literacies in a multimedia world.

Writing comics nurtures multiliteracies aligned with participatory digital cultures by expanding traditional linguistic-centric norms. This multimodal composing can potentially increase access and representation and amplify voices across identities and cultures.

Although the paper addresses a topic that is not entirely novel in research, its originality lies in its focus on data originating from Ecuador, where specific cultural nuances and educational contexts may influence the effectiveness of using comics to enhance EFL writing skills. Thus, it fills a gap in the existing literature on this subject.

This research aimed to identify the levels of stress students experience, the different sources that generate them and the relationship between the stress levels and the students' gender.

A mixed-methods design was used, focusing on the quantitative stage. The qualitative section was designed to obtain supporting information. 86 Ecuadorian undergraduate polytechnic students enrolled in an English course took part in this study. Quantitative data are obtained using the Telecollaborative Foreign Language Anxiety Scale (T-FLAS), while online interviews supply insight from students.

The present research identified four types of anxiety related to emergency remote teaching (ERT). Communication anxiety is one of them that has also been found in regular foreign language classes (Horowitz et al., 1986). However, the actual contribution is regarding the other three sources of ERT-related anxiety: Online interaction anxiety, ERT anxiety and technology anxiety. Also, it was identified that girls experience higher anixety levels than men do.

A limitation of this study is the T-FLAS, a tool that has not been widely used. However, as Fondo and Jacobetty (2020) reported, other papers have made use of this novel tool. Another limitation to this research is the number of participants; although it is not very small, it might not be considered large enough for generalization purposes. Also, this study was limited by its scope, which only looked at the relationship between the students' genders and anxiety levels.

First, this researcher recommends that language departments use the survey at the beginning of each semester. That way, there will be a clear idea of the sources of anxiety students are experiencing, and measures can be taken to lower those anxiety-causing factors. Also, this study shows students experiencing a high level of anxiety when they are required to interact with their peers using a foreign language. Thus, supplying practice through guided discussions and role-plays should allow learners to reduce their anxiety levels and perform better during these kinds of exchanges in the short term.

Another issue reported by this study is the feelings of uneasiness when turning cameras on to do an exercise or taking quizzes and exams, as learners feel like their classmates and teachers are invading their homes. It is recommended that the Student Welfare Department of the educational institutions deal with this and other issues. They can design intervention, relaxation and yoga programs for students who are feeling anxious to help them lower those feeling and allow them to have better interactions in class during these times of remote learning.

This paper's originality lies in the fact that it looks at anxiety from the point of view of the COVID-19 pandemic and the move it had to be made to the digital realm. It identifies three factors that are new and related 100% to emergency remote teaching–learning. It is also valuable as it is looking at data emerging for a South American country, as data are scarce from this continent and especially from Ecuador.

This mixed-methods research aimed to investigate students’ opinions on the effectiveness of using digital platforms to carry on their learning process.

This is a mixed-methods research. One hundred students, registered in the last English course of their curriculum, took part in the investigation. They filled out a Likert-scale survey using the criteria for CALL evaluation. During the data analysis of the quantitative section of the research, a chi-square of 15.0672 and a p-value of 0.519719 were obtained, making this result not significant at p < 0.05. A Levene test of variance equality was performed on the resulting data to confirm the results. Personal interviews were carried out to triangulate the previous results.

This study determined that Ecuadorian undergraduate students have a negative perception of the usefulness of using a digital class to learn English. These results have important implications for teachers who must work harder during these times of COVID-19 to attain students' attention.

This research is limited by its conception of qualitative methods. This limitation also opens the door for further studies. The quantitative and mixed methods studies are suggested to confirm the results obtained here.

This study has practical implications for teachers and language center managers. They can use the information attained to adapt their teachings in order to improve these results. Managers will benefit from it as they can plan for teacher training considering the comments given by students.

The social implication of this study is that the students, through their comments, have implied the need of having some sort of socialization and ERT does not permit such.

This paper has value as it closes the gap of information regarding the use of this new teaching modality attained from Latin American countries and more specifically from Ecuador.

Particles are of the controlled release delivery systems. Also, topically applied olive oil has a protective effect against ultraviolet B (UVB) exposure. Due to its sensitivity to oxidation, various studies have investigated the production of olive oil particles. The purpose of this study was to use chitosan and sodium alginate as the vehicle polymers for olive oil.

The gelation method used to prepare the sodium alginate miliparticles containing olive oil and particles were coated with chitosan. Morphology and size, zeta potential, infrared spectrum of olive oil miliparticles, encapsulation efficiency and oil release profile were investigated. Among 12 primary fabricated formulations, formulations F₅ (olive oil loaded alginate miliparticles) and F₁₁ (olive oil loaded alginate miliparticles + chitosan coat) were selected for further evaluations.

The size of the miliparticles was in the range of 1,100–1,600 µm. Particles had a spherical appearance, and chitosan coat made a smoother surface according to the scanning electron microscopy. The zeta potential of miliparticles were −30 mV for F₅ and +2.7 mV for F₁₁. Fourier transform infrared analysis showed that there was no interaction between olive oil and other excipients. Encapsulation efficiency showed the highest value of 85% in 1:4 (olive oil:alginate solution) miliparticles in F₁₁. Release study indicated a maximum release of 68.22% for F₅ and 60.68% for F₁₁ in 24 h (p-value < 0.016). Therefore, coating with chitosan had a marked effect on slowing the release of olive oil. These results indicated that olive oil in various amounts can be successfully encapsulated into the sodium-alginate capsules cross-linked with glutaraldehyde.

To the best of the authors’ knowledge, no study has used chitosan and sodium alginate as the vehicle polymers for microencapsulation of olive oil.

This study aims to present a comprehensive review of the literature on the dark side of online brand communities, identifying the dominant themes [determinants of the dark side in online brand communities (OBCs)] in the literature and proposing ways to advance the literature in this area.

This study reviewed 72 scholarly articles published between 2009 and 2024 in peer-reviewed journals. A descriptive and thematic analysis of dark-side literature is presented.

The contribution of this scoping review lies in identifying the dominant themes in the literature on the determinants of the dark side of online brand communities, proposing management strategies and identifying future research directions for advancing the literature. Six main themes of the dark side of online communities were extracted: information dynamics, group dynamics, unethical practices and brand transgression, provocation and schadenfreude, brand activism and hate and disengagement.

Firstly, this study highlights the need for brands to engage in the active moderation of OBCs to maintain information credibility and manage information overload. Secondly, to ensure an inclusive community environment for all members, brands need to foster a balanced forum culture and moderation that discourages heterogeneity.

This study is unique in conducting an in-depth analysis of the literature on the dark side of online brand communities, an area that has received little attention. This review offers new insights that would help brands effectively manage negative aspects of customer behaviours in online brand communities. For managers, this review enables brands to improve their image, reputation and customer value.

The purpose of this paper is to extend the technology readiness and acceptance model (TRAM) to consider an individual’s health consciousness (HC), thereby improving the capability of the model to predict an individual’s attitude toward and intention to download and use dietary and fitness apps.

A total of 994 participants completed a self-reported online questionnaire. Structural equation modeling and χ² difference testing were conducted to compare the predictive capability of the proposed health consciousness TRAM (HC-TRAM) and the TRAM. The comparison of the proposed HC-TRAM in terms of potential and actual users of dietary and fitness apps was also discussed.

The results obtained from the HC-TRAM and the TRAM indicate that in addition to technology readiness, HC exerts a positive effect on the perceived ease of use and usefulness of dietary and fitness apps. χ² difference test results indicated that the predictive capability of the proposed HC-TRAM is higher than that of the TRAM.

The drivers and inhibitors of a person’s readiness to embrace modern information technology play roles when predicting his or her intention to download and use dietary and fitness apps. HC should be promoted by encouraging people to eat right and regularly perform appropriate exercise to prevent obesity and overweight, thereby maintaining a healthy lifestyle.

This study incorporated individual cognitive factors and HC into the TRAM to fill the literature gap and deepen and broaden existing theoretical frameworks of the TRAM in the public health sector.

This paper aims to develop carbon dots using whey as a valuable resource and to create a sustainable and biocompatible nanomaterial with potential applications in a variety of fields owing to its unique optical properties and antimicrobial capabilities, which are frequently used as sensing agents for detecting specific molecules in food, environmental and biomedical applications. Versatility of carbon dots (CDs) allows the utilization of these dots for a wide range of applications in areas such as food safety, antibacterial properties, production of composite polymers for food packaging, treatment of different diseases and detection of food-borne pathogens. Owing to their high brightness, low toxicity and excellent biocompatibility, CDs have attracted significant interest in food safety. This is also a cutting-edge technology that bids new ideas for treating various diseases.

Literature review related to using whey as the carbon source for synthesis of CDs was collected and studied from different sources like Google Scholar, Research Gate, online journals available at library of Banaras Hindu University, Web of Science and Scopus. A database of more than 100 scientific sources from different sources was made as per the headings and sub headings of the paper.

Whey generated as a by-product from the cheese industry contained a good amount of carbon and nitrogen that can be used for the fabrication of CDs. CDs produced using whey exhibited great photostability, high sensitivity and outstanding biocompatibility and also showed that Fe3+ ions could be quickly, sensitively and extremely selectively detected in an aqueous solution of CDs, with a revealing limit of 0.409 µM in the linear range of 0–180 µM. CDs are a promising area of study to a key component of next-generation multifunctional nanomaterials, promoting creativity, sustainability and useful solutions across a variety of industries, including health care and energy. The susceptibility of S. typhimurium (Gram-negative) was found to be higher than that of L. monocytogenes (Gram-positive) bacteria with MIC and MBC of 500  and 1000 µL/mL, respectively.

Whey-derived CDs are an environmentally beneficial substitute for conventional additives and their biocompatibility guarantees that they adhere to food safety regulations. In light of the future, the green volarization of dairy waste for the synthesis of CDs is consistent with the increasing worldwide focus on environmental responsibility and sustainability.

This study aims to identify how Spanish consumers’ extrinsic preferences for food have evolved by examining the extant literature on food preferences in Spain, focusing on food-related attributes and food-related values.

This study is based on a synthetic review of the extant academic literature on Spanish consumer preferences for food-related attributes and food-related values from the mid-20th to the 21st century. This study uses key economic and social milestones that are most likely to influence food value chain actors to show how consumer preferences have evolved over the study period.

Spanish consumer food attribute preferences expanded as the food sector of the nation continued to grow, and value preferences showed a similar pattern from the mid-20th to the 21st century. The drivers of these preferences were trust, lifestyle, education (campaigns), sociodemographic factors and purchasing power.

Evaluating the extant literature’s contribution to consumer preferences for food-related attributes and values is important because it can aid in understanding the hierarchy and variety of consumers’ food preferences as well as the factors that drive these preferences. To the best of the authors’ knowledge, this study is the first to explore how Spanish consumer preferences evolved between the mid-20th and 21st centuries.

This study presents a systematic literature review (SLR) of the interdisciplinary literature on drones in last-mile delivery (LMD) to extrapolate pertinent insights from and into the logistics management field.

Rooting their analytical categories in the LMD literature, the authors performed a deductive, theory refinement SLR on 307 interdisciplinary journal articles published during 2015–2022 to integrate this emergent phenomenon into the field.

The authors derived the potentials, challenges and solutions of drone deliveries in relation to 12 LMD criteria dispersed across four stakeholder groups: senders, receivers, regulators and societies. Relationships between these criteria were also identified.

This review contributes to logistics management by offering a current, nuanced and multifaceted discussion of drones' potential to improve the LMD process together with the challenges and solutions involved.

The authors provide logistics managers with a holistic roadmap to help them make informed decisions about adopting drones in their delivery systems. Regulators and society members also gain insights into the prospects, requirements and repercussions of drone deliveries.

This is one of the first SLRs on drone applications in LMD from a logistics management perspective.