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Teachers’ perceptions towards the utilization of WhatsApp in supporting teaching and learning of chemistry during COVID-19 pandemic in Rwandan secondary schools 在2019冠状病毒病大流行期间,卢旺达中学教师对利用WhatsApp支持化学教学的看法
Pub Date : 2020-12-21 DOI: 10.4314/AJESMS.V16I2.6
Ezechiel Nsabayezu, Aloys Iyamuremye, Jean de Dieu Kwitonda, Agnes Mbonyiryivuze
This paper reports the results about teachers’ perceptions towards the utilization of WhatsApp in supporting teaching and learning of chemistry during the COVID-19 pandemic in Rwandan selected secondary schools. The collected data by using a survey questionnaire were from 18 chemistry teachers in Nyarugenge and Kicukiro Districts. The findings illustrated that WhatsApp is effective for teaching chemistry and supporting students learning. This application promotes students’ motivation, engagement, collaboration, interaction, participation, and ubiquitous learning. Despite the facilitation of collaboration between teachers and their students while using WhatsApp, the internet connection related problems including its cost and availability were among the hindering factors for effective collaboration for both students and teachers. The lack of smartphones and computers for some students, teachers, parents, or guardians was among the highlighted limitations for the participation of some students. The limited students’ management and their distraction were also highlighted by some teachers. The provision of computers, smartphones, and enough internet connection for all teachers, parents, or guardians were among the proposed potential solutions. To deal with students’ management and distractions while learning via WhatsApp, there should be the follow-up and guidance provided by teachers, guardians, or parents. Chemistry teachers and students are recommended to use WhatsApp as a supporting learning tool due to its added value of providing ubiquitous learning. Parents, boards in charge of education, and other educational stakeholders should integrate WhatsApp in teaching and learning to complement classroom learning.
本文报告了在2019冠状病毒病大流行期间,在卢旺达选定的中学中,教师对使用WhatsApp支持化学教学的看法。采用问卷调查法对尼亚鲁根日县和菊木郎县18名化学教师进行调查。研究结果表明,WhatsApp在化学教学和支持学生学习方面是有效的。这个应用程序促进学生的动机、参与、协作、互动、参与和无处不在的学习。尽管使用WhatsApp可以促进教师和学生之间的协作,但与互联网连接相关的问题,包括其成本和可用性,是阻碍学生和教师有效协作的因素之一。一些学生、老师、家长或监护人缺乏智能手机和电脑是一些学生参与的突出限制之一。一些老师还强调了学生管理不力和注意力分散的问题。为所有教师、家长或监护人提供电脑、智能手机和足够的互联网连接是提出的潜在解决方案之一。为了应对学生在使用WhatsApp学习过程中的管理和干扰,应该有老师、监护人或家长的跟进和指导。建议化学教师和学生使用WhatsApp作为辅助学习工具,因为它具有提供泛在学习的附加价值。家长、教育董事会和其他教育利益相关者应该将WhatsApp整合到教学和学习中,以补充课堂学习。
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引用次数: 11
Effectiveness of Practical Work in Physics on Academic Performance among Learners at the selected secondary school in Rwanda 在卢旺达选定的中学中,物理实践作业对学习者学习成绩的影响
Pub Date : 2020-12-21 DOI: 10.4314/AJESMS.V16I2.7
Jean Twahirwa, Etienne Twizeyimana
The current study investigates the effectiveness of practical work in physics on academic performance among learners of a secondary school in Rwanda. The study employs a quasi-experimental research design specifically pretest-posttest control group design (control group and experimental group). Two groups of learners of senior one at Groupe Scholaire Rugoma were treated differently through an expository and practice-based approach respectively. Physics achievement test prepared to evaluate the effect of practical work indicated that learners in the experimental group outperformed those of the control group treated by the expository teaching method. Various factors that may advance or hinder the implementation of practical work were identified and views from science teachers were collected. Most of the respondents strongly agreed that those factors have a significant impact on the implementation of practical work which in turn influence learners’ overall academic performance during Physics Achievement Test (PAT). A significant difference was observed from the statistical analysis performed by using SPSS version 21.0. (Pretest and posttest among learners in the experimental group; t = 27.243; 32.743; MD = 8.4239; 13.12500 respectively whereas the pretest and posttest among learners are as follow, t = 28.442; 32.627; MD = 9.82500; 2.38005 respectively and for all performance evaluation hypotheses were tested at .05 level of significance. Based on the observed results, it was found that practical work was more effective in improving learners’ performance in Physics. It was therefore concluded that practical work continues to be a promising approach in teaching sciences, particularly teaching Physics in secondary schools.
目前的研究调查了卢旺达一所中学物理实践作业对学生学习成绩的影响。本研究采用准实验研究设计,即前测后测对照组设计(对照组和实验组)。鲁格马学者集团的两组高一学生分别通过说明性和实践性的方法进行不同的对待。为评价实践作业效果而准备的物理成绩测试表明,实验组学生的学习成绩优于说明文教学的对照组学生。确定了可能促进或阻碍实际工作实施的各种因素,并收集了科学教师的意见。大多数受访者强烈同意这些因素对实际工作的实施有重大影响,进而影响学习者在物理成绩测试中的整体学习成绩。采用SPSS 21.0版进行统计分析,差异有统计学意义。(实验组学习者的前测和后测;T = 27.243;32.743;Md = 8.4239;分别为13.12500,而学习者的前测和后测分别为t = 28.442;32.627;Md = 9.82500;分别为2.38005,所有绩效评估假设均在0.05水平上进行显著性检验。根据观察结果,我们发现实际工作对提高学生的物理成绩更有效。因此得出的结论是,在科学教学中,特别是在中学物理教学中,实际工作仍然是一种很有前途的方法。
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引用次数: 2
An Overview of Learning Cycles in Science Inquiry-based Instruction 科学探究教学中学习周期的概述
Pub Date : 2020-12-21 DOI: 10.4314/AJESMS.V16I2.5
C. Nicol, Emmanuel Gakuba, Gonzague Habinshuti
While a plethora of researchers have acknowledged the importance of learning cycles as a model of instruction in a constructivist supported enquiry science education, the rising number of learning cycle models however raises compelling questions about validity, hence the need for a comprehensive overview and analysis of the comparative strengths and weaknesses of these models. This paper examined among the very many, four major learning cycles; 3E, 5E, 7E and 9E, on the scales of knowledge construction, to provide adequate information for decision making regarding their preference and use. While the 3E provides the very basic framework for expansion, it missed addressing the learners’ initial dialogic engagement with teachers as well as summative evaluation of learning. Critical analysis informed the conclusion that there are three main goals common to the learning cycles under review namely; the development of conceptual understanding, process skills and critical thinking. A well-planned and implemented 5E model generally meets the inquiry-based constructivist learning goals, although it is silent on transfer of knowledge outside of the classroom. This transfer of knowledge, provided for in the 7E, is the major meaningful difference between 5E and 7E. The three new phases introduced in the 9E, Echo, Emend and E-search, were assessed to be redundant. After a thorough needs assessment of the phases of the learning cycles under review, a six-phase learning cycle is proposed comprising Engage, Explore, Explain, Elaborate, Evaluate and Extend.
虽然大量的研究人员已经认识到学习周期作为建构主义支持的探究科学教育的教学模式的重要性,但越来越多的学习周期模型提出了关于有效性的令人信服的问题,因此需要对这些模型的比较优势和劣势进行全面的概述和分析。本文研究了四种主要的学习周期;3E、5E、7E和9E在知识构建的尺度上,为决策提供关于其偏好和使用的充分信息。虽然3E为扩展提供了非常基本的框架,但它忽略了学习者与教师的初始对话参与以及学习的总结性评估。批判性分析得出的结论是,所审查的学习周期共有三个主要目标,即;概念理解,过程技能和批判性思维的发展。一个精心策划和实施的5E模式通常满足基于探究的建构主义学习目标,尽管它对课堂外的知识转移缄口不言。7E中提供的这种知识转移是5E和7E之间主要的有意义的区别。9E中引入的三个新阶段,即回声、修订和电子检索,被认为是多余的。在对所审查的学习周期的各个阶段进行彻底的需求评估之后,提出了六个阶段的学习周期,包括参与、探索、解释、阐述、评估和扩展。
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引用次数: 0
Biology Instructional Resources Availability and Extent of their Utilization in Teaching Pre-Service Biology Teachers 职前生物教师生物教学资源的可得性及其利用程度
Pub Date : 2020-12-21 DOI: 10.4314/AJESMS.V16I2.3
Josiane Mukagihana, F. Nsanganwimana, C. Aurah
Education of pre-service science teachers necessitates inquiry and resource-based instruction to ensure the production of both hands-on and mind-on skilled science teachers. This becomes possible when a variety of instructional resources regularly support the teaching process. This study aimed to identify the types of available biology instructional resources and their extent of use in teaching pre-service biology teachers. The study used a descriptive survey research design and was conducted in three private Universities selected from those offering education in Rwanda. Eighty-two pre-service biology teachers and five biology lecturers participated in the study. Observational checklist of biology instructional resources and questionnaires aided the collection of data analyzed by frequency counts and percentages. The findings revealed that biology instructional resources like classroom chairs, chalkboards, laboratories, microscopes, centrifuge, slide projectors, biology textbooks were available while resources like a class whiteboard, classroom overhead projectors, electrophoresis unit, recorders, Polymerase chain reaction machines, among others, were absent. The findings also revealed low-level use of available biology instructional resources in teaching pre-service biology teachers. The implication is the likelihood of producing less competent future biology teachers. The provision of adequate biology instructional resources, as well as the monitoring of their use in teaching biology, was recommended
职前科学教师的教育需要探究性和资源型教学,以确保培养动手能力强和思维能力强的科学教师。当各种教学资源定期支持教学过程时,这成为可能。本研究旨在了解现有生物教学资源的种类及其在职前生物教师教学中的使用程度。这项研究采用了描述性调查研究设计,在卢旺达提供教育的三所私立大学中进行。82名职前生物教师和5名生物讲师参与了这项研究。观察性的生物教学资源清单和问卷协助收集资料,以频率计数和百分比分析。调查结果显示,教室的椅子、黑板、实验室、显微镜、离心机、幻灯机、生物教科书等生物教学资源是可用的,而教室的白板、教室的投影仪、电泳装置、录音机、聚合酶链反应机等资源则是缺失的。研究结果还显示,职前生物教师对现有生物教学资源的利用程度较低。这意味着未来可能会产生能力较差的生物教师。建议提供足够的生物学教学资源,并监测这些资源在生物学教学中的使用情况
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引用次数: 2
Concept mapping impact on self-efficacy for enhancing students’ motivation and performance in biology 概念映射对自我效能感的影响:提高学生生物学学习动机和成绩
Pub Date : 2020-09-04 DOI: 10.4314/AJESMS.V16I1.6
Michael Adiyiah, D. Mutangana, Y. Ameyaw
The impact of students’ self-efficacy beliefs about their academic performance and motivation in all stages of their academic endeavour has been a major concern to many researchers. It contributes greatly to the overall total development and success of the student even at their progression to the next level in their educational development. The purpose of this quasi-experimental study was to investigate the effect of using concept mapping strategy as an intervention strategy on the development of students’ self-efficacy beliefs about their motivation and performance in biology. One hundred and twenty students from two different Senior High Schools in Ashanti Region of Ghana were involved in the experiment. Two instruments, namely students’ self-efficacy and motivation questionnaire as well as students’ achievement test were used in the data collection and the results were analyzed using Pearson product-moment correlation, one-way ANOVA and multiple regression statistics. The findings of the study indicated that effective regular use of concept mapping strategy has a strong and positive influence on students’ self-efficacy beliefs about their development which enhances their motivation to learn and performance in biology.
学生的自我效能感信念对学业成绩和学习动机的影响一直是许多研究者关注的主要问题。它有助于学生的全面发展和成功,甚至在他们的教育发展的下一个阶段的进展。本研究旨在探讨概念映射策略作为干预策略对学生生物学习动机和成绩自我效能感信念发展的影响。来自加纳阿散蒂地区两所不同高中的120名学生参与了这项实验。采用学生自我效能感与动机问卷和学生成就测验两种工具进行数据收集,采用Pearson积差相关、单因素方差分析和多元回归统计对结果进行分析。研究结果表明,定期有效地使用概念映射策略对学生的发展自我效能感信念有强烈的积极影响,从而增强了学生的学习动机和生物学成绩。
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引用次数: 2
GeoGebra integration and effectiveness in the teaching and learning of mathematics in secondary schools: A review of literature GeoGebra整合与中学数学教与学的有效性:文献综述
Pub Date : 2020-09-04 DOI: 10.4314/AJESMS.V16I1.1
Marie Sagesse Uwurukundo, Jean François Maniraho, Michael Tusiime
This article explores studies that investigated GeoGebra integration and its effectiveness in teaching and learning mathematics. The study examines existing studies on how and why GeoGebra enhanced students’ performance; understanding, analytical thinking, generalization, abstract thinking, representation, and logical thinking. By a deep exploration of the main construct of the study, we collected and analyzed 20 studies whose results reported that GeoGebra added values when applied in teaching and learning in different mathematical domains. The reviewed literature identified four domains in Mathematics: Geometry, Algebra, Calculus, and Trigonometry that was studied. The majority of the reviewed studies investigated the integration of GeoGebra in Geometry and few studies were found in other mathematical domains. The literature ascertains that students can explore independently the software and acquire mathematical concepts with minimum assistance from the teacher. The results from the reviewed literature, on the one hand, indicated 16/20 or (80 %) of the studies generally showed that GeoGebra is effective in teaching and learning Mathematics since GeoGebra contributed in enhancing students’ understanding of mathematical concepts and improved students’ interest to learn mathematics. On the other hand, only 4/20 studies or (20%) showed non-effectiveness of GeoGebra since students in both experimental and control groups did not show the difference in their performance after being both given post-tests or an interview. This may indicate that although GeoGebra seems to be largely effective, such effectiveness is dependent on the way it is integrated into the teaching and learning process. Therefore, we recommend that other research should step up investigating why most of the studies were found in the Geometry domain and few in other domains.
本文探讨了GeoGebra整合及其在数学教与学中的有效性的研究。该研究考察了关于GeoGebra如何以及为什么提高学生成绩的现有研究;理解,分析思维,概括,抽象思维,表达和逻辑思维。通过对研究主体结构的深入探索,我们收集并分析了20项研究结果,这些研究报告了GeoGebra在不同数学领域的教学和学习中应用的附加值。回顾文献确定了数学的四个领域:几何、代数、微积分和三角学。所回顾的研究大多是关于几何中GeoGebra的整合,而在其他数学领域的研究很少。文献表明,学生可以独立探索软件,并在老师的帮助下获得数学概念。从文献综述的结果来看,一方面,16/20或80%的研究普遍认为GeoGebra在数学教学中是有效的,因为GeoGebra有助于增强学生对数学概念的理解,提高学生学习数学的兴趣。另一方面,只有4/20的研究或(20%)显示GeoGebra无效,因为实验组和对照组的学生在接受后测或面试后的表现都没有表现出差异。这可能表明,尽管GeoGebra似乎在很大程度上是有效的,但这种有效性取决于它融入教学过程的方式。因此,我们建议其他研究应该加紧调查为什么大多数研究发现在几何领域,而在其他领域很少。
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引用次数: 10
Ways School Leaders Support the Teaching of Chemistry 学校领导支持化学教学的方式
Pub Date : 2020-09-04 DOI: 10.4314/AJESMS.V16I1.5
Edwin Byusa, E. Kampire, A. Mwesigye
The study aims to reinforce the effective teaching of chemistry in secondary schools through the support of the school leadership in the implementation of the competence-based curriculum (CBC). Interviews were organised and conducted with five headteachers and five deputy headteachers from ten selected schools. The results confirmed that the support provided by the school leadership in teaching chemistry was dominated by 30% of respondents at visiting teachers in classes, provision of some basic teaching materials and encouraging teachers to work in the chemistry department for mutual support and professional growth. However, in some schools, there is a need for prioritising continuous professional development (CPD) opportunities, feedback meetings and analysing school data for decision making. Therefore, this study recommends more efforts in CPDs, avail enough teaching aids and hold the pedagogical review and learning meetings lead by headteachers; analyse and use the school data for continuous improvement and build the school on tangible evidence in positive learning outcomes. Plus more support in engaging learners doing chemistry rather than just giving them chemistry books. Transformational leadership is needed, where all stakeholders share the same vision and mission of the school.
本研究旨在透过学校领导对实施能力本位课程(CBC)的支持,加强中学化学的有效教学。我们与来自十所选定学校的五位校长和五位副校长进行了访谈。调查结果证实,学校领导对化学教学的支持主要体现在课堂拜访教师、提供部分基础教材、鼓励教师到化学系工作、相互支持和专业成长等方面,占30%。然而,在一些学校,需要优先考虑持续专业发展(CPD)机会、反馈会议和分析学校数据以供决策。因此,本研究建议加大持续专业发展的力度,充分利用教学辅助工具,召开由校长主持的教学回顾和学习会议;分析和使用学校数据进行持续改进,并在积极学习成果的切实证据上建立学校。再加上更多的支持,让学生做化学,而不仅仅是给他们化学书。变革型领导是必要的,所有利益相关者都有共同的愿景和使命。
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引用次数: 3
Learning to teach for mathematical proficiency: Behavioural changes for pre-service teachers on teaching placement 学习数学能力的教学:职前教师在教学实习中的行为变化
Pub Date : 2020-09-04 DOI: 10.4314/AJESMS.V16I1.3
Chipo Makamure
This study reports on an investigation of how field experiences in teaching prepares pre-service teachers (PSTs) to effectively deal with the challenges and complexities of teaching mathematics in Zimbabwean secondary schools. The study was premised on the view that improvement in learning secondary school mathematics in the classroom is related to practitioner development in teaching. However, despite overwhelming research on mathematics knowledge for teachers, the problem of mathematics failure in high schools has not been addressed. A mixed methods approach, based on the perspectives of PSTs on teaching practice (TP) was employed to depict how their practices impact on their knowledge development for teaching mathematics. The study, found that a proficient mathematics PST is considered one who embraces knowledge of mathematics content and the ability to teach it. Hence, the development of mathematics knowledge for PSTs requires them to be mentored and workshopped by mathematics subject specialists who are well positioned in terms of mathematics pedagogy and mathematics content knowledge.
本研究报告了一项关于实地教学经验如何使职前教师(PSTs)有效应对津巴布韦中学数学教学的挑战和复杂性的调查。本研究的前提是,中学数学课堂学习的改善与教学中的实践者发展有关。然而,尽管对教师的数学知识进行了大量的研究,但高中数学失败的问题尚未得到解决。基于教师教学实践的视角,采用混合方法来描述教师的教学实践对其数学教学知识发展的影响。研究发现,一个精通数学的PST被认为是一个拥有数学知识和教学能力的人。因此,pst的数学知识的发展需要他们得到数学学科专家的指导和研讨会,这些专家在数学教学法和数学内容知识方面处于有利地位。
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引用次数: 0
Responding to two arguments against the student evaluation of teaching scheme in Nigerian universities 回应两种反对尼日利亚大学学生评价教学方案的观点
Pub Date : 2020-09-04 DOI: 10.4314/AJESMS.V16I1.4
E. Ani
Student evaluation of teaching (SET) has been around Universities in the Western and Eastern Hemispheres for a few decades now. SET is making in-roads into the Nigerian tertiary education sector. In this project, I identify two arguments (or assumptions) behind the opposition to the institution of SET in Nigeria. I demonstrate that these arguments/assumptions are incorrect and their worries not enough to scrap the programme. I also show that opposition to SET has been witnessed elsewhere before SET gained acceptance.
学生教学评价(SET)在西半球和东半球的大学中已经存在了几十年。SET正在进军尼日利亚高等教育领域。在这个项目中,我确定了尼日利亚反对SET制度背后的两个论点(或假设)。我证明了这些论点/假设是不正确的,他们的担忧不足以废除该计划。我还指出,在SET被接受之前,其他地方也曾出现过反对SET的声音。
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引用次数: 0
Students’ desires for high-level teaching and learning opportunities: Views of Namibian Grade 11 students observed to have difficulties in learning mathematics 学生对高水平教学和学习机会的渴望:纳米比亚11年级学生对学习数学困难的看法
Pub Date : 2020-09-04 DOI: 10.4314/AJESMS.V16I1.2
S. Hamukwaya
This study focusses on the views of students in learning grade 11 mathematics in terms of their needs and aspirations regarding access to high-level mathematics teaching and learning opportunities. Students who participated in this study (88 grade 11 Namibian students) were identified as having learning difficulties by their mathematics teachers, but these students did not (themselves)consider that they had difficulties. The author attempts to understand why students believed they do not have difficulties in learning mathematics. A qualitative method was employed, and the students were investigated via semi-structured interviews. The transcripts were analysed using an interpretational analysis. This study revealed that students display interest in learning mathematics and that they tend to feel comfortable with the subject despite certain influencing factors. The students’ perceptions are that their learning processes were negatively affected by aspects of systemic factors, teachers’ and students’ own factors, and access to learning resources. The students feel that they lack high-level access to teaching and learning, and this limits their potential for achieving the level at which they are expected to perform and be academically successful. In addition to the implications that emerged, this study makes recommendations on what should be done to address the negative factors perceived by the students.
本研究主要关注11年级学生对高水平数学教学和学习机会的需求和期望。参与本研究的88名纳米比亚11年级学生被他们的数学老师确定为有学习困难,但这些学生并不(自己)认为他们有困难。作者试图理解为什么学生认为他们在学习数学方面没有困难。本研究采用定性方法,采用半结构化访谈对学生进行调查。使用解释分析对转录本进行分析。本研究表明,尽管有一定的影响因素,学生对数学的学习表现出兴趣,并且他们倾向于对这门学科感到舒适。学生的感知是,他们的学习过程受到系统因素、教师和学生自身因素以及学习资源获取等方面的负面影响。学生们觉得他们缺乏高水平的教学和学习机会,这限制了他们达到预期水平和学业成功的潜力。除了发现的影响外,本研究还就如何解决学生认为的负面因素提出了建议。
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引用次数: 0
期刊
African Journal of Educational Studies in Mathematics and Sciences
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