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Open Access January 16, 2026

Evaluating the Effectiveness of Occupational Health and Safety Management Practices in Improving Workplace Safety in Nigerian Construction Sites

Abstract The construction industry remains one of the most hazardous sectors globally, with Nigeria experiencing a high incidence of workplace accidents despite the adoption of Occupational Health and Safety Management (OHSM) frameworks. This study evaluated the effectiveness of OHSM practices in improving workplace safety across construction companies in Nigeria’s coastal cities. A cross-sectional design [...] Read more.
The construction industry remains one of the most hazardous sectors globally, with Nigeria experiencing a high incidence of workplace accidents despite the adoption of Occupational Health and Safety Management (OHSM) frameworks. This study evaluated the effectiveness of OHSM practices in improving workplace safety across construction companies in Nigeria’s coastal cities. A cross-sectional design was employed, combining quantitative surveys of construction workers (n = 1,400) with qualitative interviews of 35 managers and supervisors. Quantitative data were analyzed using SPSS version 28, while thematic analysis was applied to qualitative responses. Findings revealed a generally positive perception of OHSM, with 54.4% of workers rating OHS policy effectiveness as “Good” and 52.0% rating health outcomes as “Good.” However, accident frequency remained a concern, with 46.4% reporting accidents occurred “Occasionally” and 31.9% acknowledging them as “Frequent” or “Very Frequent.” Comparative analysis showed indigenous firms were rated higher in policy effectiveness and health outcomes but also reported slightly higher accident frequencies than international firms. Thematic analysis identified five key monitoring and evaluation strategies including routine inspections, regular training, audits, behavioural reinforcement, and access control, Also, five measures of OHSM effectiveness, including compliance observation, incident tracking, KPIs, employee feedback, and benchmarking. OHSM was found to positively influence project outcomes by reducing compensation costs, enhancing reputation, and improving supervision and quality of work. OHSM practices in Nigeria’s construction sector are perceived as effective in policy and health outcomes, yet accident rates remain a critical challenge. The study underscores the importance of continuous training, stricter enforcement, behavioural reinforcement, and systematic performance evaluation.
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Open Access June 28, 2025

Development of a Hemodialysis Data Collection and Clinical Information System and Establishment of an Intradialytic Blood Pressure/Pulse Rate Predictive Model

Abstract This research is a collaboration involving a university team, a partnering corporation, and a hemodialysis clinic, which is a cross-disciplinary research initiative in the field of Artificial Intelligence of Things (AIoT) within the medical informatics domain. The research has two objectives: (1) The development of an Internet of Things (IoT)-based Information System customized for the hemodialysis machines at the clinic, including transmission bridges, clinical personnel dedicated web/app, and a backend server. The system has been deployed at the clinic and is now officially operational; (2) The research also utilized de-identified, anonymous data (collected by the officially operational system) to train, evaluate, and compare Deep Learning-based Intradialytic Blood Pressure (BP)/Pulse Rate (PR) Predictive Models [...] Read more.
This research is a collaboration involving a university team, a partnering corporation, and a hemodialysis clinic, which is a cross-disciplinary research initiative in the field of Artificial Intelligence of Things (AIoT) within the medical informatics domain. The research has two objectives: (1) The development of an Internet of Things (IoT)-based Information System customized for the hemodialysis machines at the clinic, including transmission bridges, clinical personnel dedicated web/app, and a backend server. The system has been deployed at the clinic and is now officially operational; (2) The research also utilized de-identified, anonymous data (collected by the officially operational system) to train, evaluate, and compare Deep Learning-based Intradialytic Blood Pressure (BP)/Pulse Rate (PR) Predictive Models, with subsequent suggestions provided. Both objectives were executed under the supervision of the Institutional Review Board (IRB) at Mackay Memorial Hospital in Taiwan. The system completed for objective one has introduced three significant services to the clinic, including automated hemodialysis data collection, digitized data storage, and an information-rich human-machine interface as well as graphical data displays, which replaces traditional paper-based clinical administrative operations, thereby enhancing healthcare efficiency. The graphical data presented through web and app interfaces aids in real-time, intuitive comprehension of the patients’ conditions during hemodialysis. Moreover, the data stored in the backend database is available for physicians to conduct relevant analyses, unearth insights into medical practices, and provide precise medical care for individual patients. The training and evaluation of the predictive models for objective two, along with related comparisons, analyses, and recommendations, suggest that in situations with limited computational resources and data, an Artificial Neural Network (ANN) model with six hidden layers, SELU activation function, and a focus on artery-related features can be employed for hourly intradialytic BP/PR prediction tasks. It is believed that this contributes to the collaborating clinic and relevant research communities.
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Open Access October 26, 2024

Exploring the Relationship between Teacher Training and Challenges in Delivering Effective Sex Education

Abstract This study aimed to explore the relationship between teacher training and challenges in delivering effective sex education in the Sagnarigu district in the Northern region of Ghana. The Social-cultural theory underpins the study. A descriptive survey research design was adopted for the study. The population of this study comprises teachers, head teachers and a School Improvement Support Officer [...] Read more.
This study aimed to explore the relationship between teacher training and challenges in delivering effective sex education in the Sagnarigu district in the Northern region of Ghana. The Social-cultural theory underpins the study. A descriptive survey research design was adopted for the study. The population of this study comprises teachers, head teachers and a School Improvement Support Officer (SiSo) in basic schools in the Gumani/Nyanshegu circuit in the Sagnarigu district of the Northern Region. This study adopted multi-sampling methods to select respondents. Random and purposive sampling techniques were used to select the study's 10 basic schools and 83 respondents. The main tools used for the data collection were the questionnaire and interview. The data was analysed using Statistical Package for Social Scientists (SPSS) software version 23 tools. Descriptive Statistical tools such as frequencies were used to gauge the number of occurrences of the studied variables. The qualitative data was also further analysed in line with the research questions to establish patterns of similarities and variations. These were then validated with the quantitative data for any possible contradictions in the findings. The study concludes that people's socio-cultural and religious beliefs and practices affect the teaching of sex education in school. It was observed that sex education could be misconstrued as an encouragement to young people to engage in early sexual promiscuity. Finally, the study concludes that there cannot be effective sex education without the appropriate logistics such as T.L.M.s, syllabus and time allocation for the subject. The study also acknowledges that the availability of these materials must go along with appropriate capacity building for teachers to be well-positioned to teach the subject. It is recommended that Sexuality education should be included in the curricular and academic calendar of basic schools, along with the provision of adequate T.L.M.s and the proper collaboration with appropriate agencies for the effective teaching of the subject. Sex education needs to be given maximum attention, just as any of the life skills subjects, with adequate investment and motivation to both teachers and pupils to ensure a meaningful impact. There should be regular monitoring, supervision, and assessment of the training of teachers and its influence on the teaching of the subject, as well as ensuring that ethical considerations regarding cultural and religious sensitivities and individual privacy issues are upheld.
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Open Access February 26, 2023

Teachers Supervisory Practices in the Kindergarten Schools in Ghana: A Case of Komenda Edina Eguafo Abirem Municipality

Abstract The supervisory role of kindergarten teachers is primarily concerned with supervising and managing the efforts of their learning environment to create safe, positive learning environments for all learners. The purpose of this study was to assess teachers’ supervisory practices of learners in Kindergarten schools in Komenda Edina Eguafo Abirem municipality. (K.E.E.A) Municipality in the Central [...] Read more.
The supervisory role of kindergarten teachers is primarily concerned with supervising and managing the efforts of their learning environment to create safe, positive learning environments for all learners. The purpose of this study was to assess teachers’ supervisory practices of learners in Kindergarten schools in Komenda Edina Eguafo Abirem municipality. (K.E.E.A) Municipality in the Central Region of Ghana. The study employed the qualitative research approach using the interpretivism paradigm. The instrumental case study design was adopted for this study. Population of the study comprised public kindergarten schools in KEEA Municipality. A multi-stage purposeful random sampling technique was used to select sixteen (16) respondents for the study. The semi-structured interview and observation checklist were the main instruments employed in the data collection for this study. The qualitative data was analysed by the use of the interpretative method based on the themes arrived at during the data collection. The themes were related to the research question and interpreted on the number of issues raised by respondents. These were based on question on the semi-structured interview. The study indicated that, kindergarten teachers do not supervise their learners during out-door activities or at playground, thinking it is the available time to relax after learners are out to play. The study also revealed that, kindergarten teachers do not pay close attention to learners and their physical environment to detect danger and threats. Also, in relation to proximity in supervision, the study found that, kindergarten teachers do not maintain physical closeness supervision of their learners to promptly salvage them from occurring danger during supervision. It is recommended that, the Ministry of Education (MoE), Ghana Education Service (GES), and other Agencies in Education (AiE) should strategically and periodically organize workshop trainings and seminars on teacher supervision and safety for kindergarten teachers. It is also recommended that, Tertiary institutions like the teaching universities and colleges of education should mount courses specifically for Teachers Supervision and School Safety for pre-service teachers and school administrators.
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Open Access December 08, 2022

Teachers’ Use of Field Trip to Evaluate Social Studies Lessons in the Senior High Schools of Ghana

Abstract The purpose of the study was to assess teachers’ use of field trips in evaluating Social Studies lessons in Winneba Senior High School in Effutu Municipality in the Central Region of Ghana. Qualitatively, a case study research design was employed for the study. The population of this study comprised all the four (4) Social Studies teachers and Social Studies Association president in Winneba Senior [...] Read more.
The purpose of the study was to assess teachers’ use of field trips in evaluating Social Studies lessons in Winneba Senior High School in Effutu Municipality in the Central Region of Ghana. Qualitatively, a case study research design was employed for the study. The population of this study comprised all the four (4) Social Studies teachers and Social Studies Association president in Winneba Senior High School. Convenient and purposive sampling techniques were used to select the municipality, Winneba Senior High School and Social Studies teachers and Social Studies Association president for the study. The main instrument for data collection was semi-structured interview guide. The data was analysed through the use of the interpretative method on the themes identified during the data collection. The study indicated that the use of field trips in the teaching and learning of Social Studies has the potential to influence the understanding levels of students and teachers. Therefore, field trips have the potential to help students and teachers to gain new knowledge that may not have been obtained through theoretical learning in the classroom. The study also revealed that organisation of field a trip has some challenges, such as, time as the main factor, financial problems, inadequate support from School Management, Parents and some teachers, nature of the curriculum, the behaviour of students outdoor were related to the research questions and interpreted on the number of issues raised by respondents. It is recommended that procedures for seeking permission be outlined by the Ghana Education Service to facilitate easy permission processes and to reduce the stress associated with seeking permission for organizing field trips for teachers and students in Senior High Schools. It is also recommended that students should be educated more and more by their Social Studies teachers on the importance of embarking on field trips to eliminate the lukewarm attitudes of some of the students. It is recommended that the Regional and District directors of education should ensure constant and effective supervision of teachers to encourage the use of field trips as a teaching strategy for the evaluate Social Studies lessons.
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Open Access November 25, 2022

Effects of Teachers’ Supervision on the Safety of Kindergarten Pupils in the Central Region of Ghana

Abstract The supervisory role of kindergarten teachers is primarily concerned with supervising and managing the efforts of their learning environment to create safe, positive learning environments for all learners, as well as ensuring that no child is left alone or unsupervised by teachers or caregivers while under their supervision. The purpose of this study was to examine the effects of teachers’ [...] Read more.
The supervisory role of kindergarten teachers is primarily concerned with supervising and managing the efforts of their learning environment to create safe, positive learning environments for all learners, as well as ensuring that no child is left alone or unsupervised by teachers or caregivers while under their supervision. The purpose of this study was to examine the effects of teachers’ supervision on the safety of kindergarten pupils in Komenda Edina Eguafo Abirem (K.E.E.A.) Municipality in the central region of Ghana. Qualitatively, the Instrumental Case Study Design was employed in this study to gather information on the participants. The population consisted of 227 Kindergarten teachers in the KEEA Municipality of Ghana. Convenience sampling technique was used to select sixteen (16) public kindergarten teachers for the study. The main instrument used for data collection was semi-structured interview guide. The data were analyzed thematically. The analysis of the data was done with the help of online qualitative software, Taguette version 1.3, Using the Taguette, the researchers highlighted quotes and phrases from the interviews that were significant to the study. The study supported that, establishing a well-conducive school environment enhance teachers’ supervision which goes a long way to ensures learners’ comfortability and safety; maximize learners’ academic performance; lessen fear in learners; promote teaching and learning; and support learners’ participation in play experiences. It is recommended that, key players in education such as Ministry of Education and Ghana Education Service should investigate the effect of teacher supervision on learners’ safety vis-a-vis with its educational implications. It is also recommended that, kindergarten teachers should be encouraged to supervise their learners to guarantee positive outcomes of promoting learners’ comfortability and safety; maximizing learners’ academic performance; promoting teaching and learning; and contributing to support learners’ participation in play experiences.
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Open Access November 25, 2022

An Assessment of Safety Conditions in Kindergarten Schools in Ghana

Abstract The purpose of this study was to assess safety conditions of learners in Kindergarten schools in Komenda Edina Eguafo Abirem (K.E.E.A) Municipality in the Central Region of Ghana. The qualitative research approach and the Instrumental Case Study Design were adopted for the study. The population of the study comprised public kindergarten teachers and schools in Komenda Edina Eguafo Abirem [...] Read more.
The purpose of this study was to assess safety conditions of learners in Kindergarten schools in Komenda Edina Eguafo Abirem (K.E.E.A) Municipality in the Central Region of Ghana. The qualitative research approach and the Instrumental Case Study Design were adopted for the study. The population of the study comprised public kindergarten teachers and schools in Komenda Edina Eguafo Abirem municipality in the Central Region of Ghana. Convenient and purposive sampling techniques were used to select sixteen (16) public kindergarten teachers and eight (8) kindergarten schools for the study. The semi-structured interview and observation checklist were the instruments utilized in the data collection for this study. The data were analysed and interpreted thematically using online qualitative software, Taguette version 1.3. The study indicated that, most kindergarten school buildings in the KEEA municipality pose threats to both learners and teachers as result of over-aged or poorly constructed buildings and isolated and bushy environment which attracts animals like lizards, wall geckos and poisonous snakes and psychological and emotional threat to both teachers and learners. It is recommended that, the Ministry of Education in collaboration with the Ghana Education Service should set up a School Supervision for Safety Department (SSSD) to control and oversee safety issues in the kindergarten schools in Ghana. The School Supervision for Safety Department should create awareness advocacy for school safety so that school safety becomes a nationwide concern. It is also recommended that, the School Supervision for Safety Department must liaise with other stakeholders to enforce frequent assessment of school buildings, infrastructure and materials for safety.
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Open Access November 21, 2022

An evaluation of Monitoring and Supervision in the Junior High Schools Curriculum Delivery in Ghana

Abstract Monitoring and supervision in schools is a very important aspect in the educational process. The purpose of the study was to examine monitoring and supervision of curriculum delivery in the Junior High Schools in Ejisu-Juaben Municipality of Ghana. Mixed method research approach was adopted for the study. The population f or this study was made up of teachers, head-teachers and the deputy director [...] Read more.
Monitoring and supervision in schools is a very important aspect in the educational process. The purpose of the study was to examine monitoring and supervision of curriculum delivery in the Junior High Schools in Ejisu-Juaben Municipality of Ghana. Mixed method research approach was adopted for the study. The population f or this study was made up of teachers, head-teachers and the deputy director in charge  of supervision in the Ejisu-Juaben Municipality. Purp osive and convenient sampling techniques were employed to select the one-hundred and eighty-four respondents for the study. The main instruments for data collection were questionnaire and observation. The study revealed that monitoring and supervision was more or less just conformance to stipulated regulations and that teachers and head-teachers must comply without necessarily ensuring staff development to reduce limitations. The study also indicated that there is high level of impact of monitoring and supervision on Junior High Schools’ curriculum implementation in Ejisu-Juaben Municipality over the past years. It is recommended that, f or good performance, appraisal should be done at least by the end of every school term to ascertain staff performance on their j ob. It is also recommended that, for improvement of curriculum implementation, school heads should improve on; frequency coordination of all departments of the organization of visiting less on sessions, checking teachers’ less on notes, inviting teachers to observe him/her teach and checking students’ assignments, class exercises and pupils project work to ensure regular marking of exercise takes place.
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Open Access July 13, 2022

Accessibility Issues Facing School Supervision: A Study of Island Schools in the Krachi-East and Krachi-West Education Directorates, Ghana

Abstract Supervision is at the core of every successful organization or institution. The fundamental thrust of this study is to examine the challenges external supervisors encounter and the mitigating measures they employ to ensure supervision of schools in island communities within the Krachi-East and Krachi-West Education Directorates in the Oti Region, Ghana. The study employed the mixed method approach [...] Read more.
Supervision is at the core of every successful organization or institution. The fundamental thrust of this study is to examine the challenges external supervisors encounter and the mitigating measures they employ to ensure supervision of schools in island communities within the Krachi-East and Krachi-West Education Directorates in the Oti Region, Ghana. The study employed the mixed method approach to studying phenomena, precisely the sequential explanatory mixed method. The quantitative data was gathered from seventeen (17) participants and analysed descriptively using mean and standard deviation with the help of the SPSS software package and presented in tables. The qualitative data from three (3) interviewees was analysed based on themes that are related to the research questions. The study established that the accessibility of island schools by external supervisors was a major challenge. This was due to a lack of readily available canoes and the required accessories for safe travelling by water. The study recommends that schools in such enclaves be provided with outboard motors, canoes, and life jackets as well as operators.
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