Mohammed Alghamdi
Biographic Data
| ID | 6517530 |
|---|---|
| NAME | Mohammed Alghamdi |
| GIVEN NAMES | Mohammed |
| FAMILY NAME | Alghamdi |
| SIGNATURE | ALGHAMDI M |
| AFFILIATIONS | Ministry of Health |
| ORCID | 0009-0004-4273-9791 |
| VERIFIED | Yes |
| TOTAL WORKS | 16 |
| TOTAL CITATIONS | 0 |
| WORKS AS AUTHOR | 16 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2021 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 0 |
Guessing During Testing is a Person Attribute Not an Instrument Parameter
The three-parameter logistic (3PL) model in item-response theory (IRT) has long been used to account for guessing in multiple-choice assessments through a fixed item-level parameter. However, this approach treats guessing as a property of the test item rather than the individual, potentially misrepresenting the cognitive processes underlying the examinee’s behavior. This study evaluates a novel alternative, the Two-Parameter Logistic Extension (2…
Challenges That Examiners Encounter When Assessing Speaking Skills at Yanbu English Language Institute and Preparatory Year Program (Yeli-PYP)
The current paper aims to explore the challenges that assessors face when they conduct the speaking test at Yanbu English Language Institute and Preparatory Year Program (YELI-PYP). The study employed interviews to collect the data, with a sample consisting of 10 faculty members that varied between males and females, native and non-native speakers. The study revealed the following results: the examiners found that their students used incorrect gr…
The Dual Role of Digital Self-Efficacy in Reading Engagement from a Nonlinear Dynamics Perspective
Background: The purpose of this study is to elucidate the potentially complex relationship between digital self-efficacy and students' engagement with reading activities, given that the students are known to enjoy reading. Of particular interest were the roles of digital self-efficacy as potential regulators and/or moderators of students' engagement with reading activities at school. Methods: The participants were fourth-grade students from the K…
The Zakatability of AI
The rapid integration of artificial intelligence (AI) into financial ecosystems necessitates a reexamination of zakat frameworks under both Islamic jurisprudence and Saudi reg-ulatory systems. This study bridges a critical scholarly gap by systematically analyzing the classification of AI systems and their outputs as either zakatable assets or obligated entities. Employing a tripartite methodology that combines textual analysis of classical fiqh,…
Laboratory Medicine at the Crossroads
This article reviews the transformative role of laboratory medicine at the intersection of emerging technologies and healthcare innovation. The integration of genomics, big data analytics, and point-of-care testing (POCT) has redefined diagnostic strategies and patient management, offering unprecedented opportunities to enhance precision medicine and healthcare outcomes. By examining recent advances, challenges, and future directions, this review…
Correcting Reliability for Sample Variability and Attenuation in R
Laboratory Medicine at the Crossroads
This article reviews the transformative role of laboratory medicine at the intersection of emerging technologies and healthcare innovation. The integration of genomics, big data analytics, and point-of-care testing (POCT) has redefined diagnostic strategies and patient management, offering unprecedented opportunities to enhance precision medicine and healthcare outcomes. By examining recent advances, challenges, and future directions, this review…
An In-Depth Analysis of the Predictive Value of Nasolabial Angle on Nasal and Dental Morphology
Background: Protrusive facial abnormalities, characterized by the anterior positioning of the lips relative to the facial profile, are prevalent malocclusions that significantly impact dental and facial aesthetics. These conditions can result from complex interactions among dental, skeletal, and soft tissue components, necessitating a comprehensive diagnostic approach. Methods: This review systematically evaluates the predictive value of the naso…
Disaster Preparedness Among Healthcare Workers
Background: Disaster preparedness is critical in ensuring that healthcare workers (HCWs) are adequately prepared to respond to emergencies. This study explores HCWs' disaster preparedness knowledge, skills, and educational needs from an ecohumanist perspective. It emphasizes sustainability, interdisciplinary learning, and community-based responses. Objective: The study assesses the disaster preparedness levels of HCWs and identifies gaps in their…
Evaluating the Role of ISO Standards in Enhancing the Performance of Medical Laboratories
The role of ISO standards in enhancing the performance of medical laboratories has become increasingly significant in ensuring quality and reliability in healthcare services. This review evaluates the impact of ISO standards, particularly ISO 15189, on the operational efficiency, diagnostic accuracy, and risk management of medical laboratories. It highlights the key components of these standards, including quality management systems, personnel co…
Mathematics teaching strategies and 4th-grade student achievement in Arab countries
This paper analyses the most effective teaching strategies in 4th-grade mathematics students, considering estimations for Arab countries participating in the TIMSS 2019 assessment. The paper aims to enable educators to design curricula and implement teaching strategies that align with the specific characteristics of these countries. It contributes to the literature by a detailed analysis of the most effective teaching strategies for students in A…
Measurement of bullying in the Progress in International Reading Literacy Study 2021 cohort
We evaluated the use of the Rasch model in the scoring and scaling of the context questionnaire scales from the Progress in International Reading Literacy Study 2021 cohort. Focusing on the bullying scale of the Progress in International Reading Literacy Study, we contrasted polytomous item response theory models using free (two-parameter logistic modeling) and fixed (Rasch modeling) discrimination parameters. Our analyses included data from 354,…
Catastrophic effects of bullying on school belonging
Our aim was to understand students’ sense of school belonging as a function of their engagement with academics and their experiences of bullying. Due to the complex pattern of relationships, we applied linear and nonlinear models. Participants were 4,778 fourth graders from Saudi Arabia from the Progress in International Reading Literacy Study 2021 cohort. Data were analyzed using linear modeling as well as the cusp catastrophe. The results fully…
Quality Assurance Strategies in Medical Diagnostic Laboratories
Medical diagnostic laboratories are foundational to modern healthcare, providing objective data that informs an estimated 70% of clinical decisions. The accuracy, reliability, and timeliness of laboratory results are therefore paramount to effective patient care and safety. However, the diagnostic process is vulnerable to error, with studies indicating that most individuals will experience a diagnostic error in their lifetime, contributing to sig…
Comparative Evaluation of Long-Term Clinical Performance and Patient Satisfaction in Zirconia Versus Lithium Disilicate Crowns
This multi-center randomized controlled trial aimed to compare the long-term clinical performance and patient satisfaction of monolithic zirconia and lithium disilicate crowns in single-tooth restorations. A total of 240 patients requiring single full-coverage crowns were enrolled and randomly assigned to receive either a monolithic zirconia (n=120) or lithium disilicate (n=120) crown. Crowns were fabricated using standardized CAD/CAM workflows a…
Nuzul al-Quran al-Karim Munajjaman Mafhumuhu wa muddatah
God has singled out his book: The Noble Qur’an with two descent, which none of his previous books revealed to the prophets and messengers, and the second of these two revelations: the revelation of the Noble Qur’an as a mine. And it is a subject that should be taken care of, as it is closely related to other sciences and knowledge, such as the science of the history of the revelation of the dear book of God, the history of Islamic legislation, th…
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Nuzul al-Quran al-Karim Munajjaman Mafhumuhu wa muddatah
God has singled out his book: The Noble Qur’an with two descent, which none of his previous books revealed to the prophets and messengers, and the second of these two revelations: the revelation of the Noble Qur’an as a mine. And it is a subject that should be taken care of, as it is closely related to other sciences and knowledge, such as the science of the history of the revelation of the dear book of God, the history of Islamic legislation, th…
Laboratory Medicine at the Crossroads
This article reviews the transformative role of laboratory medicine at the intersection of emerging technologies and healthcare innovation. The integration of genomics, big data analytics, and point-of-care testing (POCT) has redefined diagnostic strategies and patient management, offering unprecedented opportunities to enhance precision medicine and healthcare outcomes. By examining recent advances, challenges, and future directions, this review…
An In-Depth Analysis of the Predictive Value of Nasolabial Angle on Nasal and Dental Morphology
Background: Protrusive facial abnormalities, characterized by the anterior positioning of the lips relative to the facial profile, are prevalent malocclusions that significantly impact dental and facial aesthetics. These conditions can result from complex interactions among dental, skeletal, and soft tissue components, necessitating a comprehensive diagnostic approach. Methods: This review systematically evaluates the predictive value of the naso…
Disaster Preparedness Among Healthcare Workers
Background: Disaster preparedness is critical in ensuring that healthcare workers (HCWs) are adequately prepared to respond to emergencies. This study explores HCWs' disaster preparedness knowledge, skills, and educational needs from an ecohumanist perspective. It emphasizes sustainability, interdisciplinary learning, and community-based responses. Objective: The study assesses the disaster preparedness levels of HCWs and identifies gaps in their…
Evaluating the Role of ISO Standards in Enhancing the Performance of Medical Laboratories
The role of ISO standards in enhancing the performance of medical laboratories has become increasingly significant in ensuring quality and reliability in healthcare services. This review evaluates the impact of ISO standards, particularly ISO 15189, on the operational efficiency, diagnostic accuracy, and risk management of medical laboratories. It highlights the key components of these standards, including quality management systems, personnel co…
Mathematics teaching strategies and 4th-grade student achievement in Arab countries
This paper analyses the most effective teaching strategies in 4th-grade mathematics students, considering estimations for Arab countries participating in the TIMSS 2019 assessment. The paper aims to enable educators to design curricula and implement teaching strategies that align with the specific characteristics of these countries. It contributes to the literature by a detailed analysis of the most effective teaching strategies for students in A…
Measurement of bullying in the Progress in International Reading Literacy Study 2021 cohort
We evaluated the use of the Rasch model in the scoring and scaling of the context questionnaire scales from the Progress in International Reading Literacy Study 2021 cohort. Focusing on the bullying scale of the Progress in International Reading Literacy Study, we contrasted polytomous item response theory models using free (two-parameter logistic modeling) and fixed (Rasch modeling) discrimination parameters. Our analyses included data from 354,…
Catastrophic effects of bullying on school belonging
Our aim was to understand students’ sense of school belonging as a function of their engagement with academics and their experiences of bullying. Due to the complex pattern of relationships, we applied linear and nonlinear models. Participants were 4,778 fourth graders from Saudi Arabia from the Progress in International Reading Literacy Study 2021 cohort. Data were analyzed using linear modeling as well as the cusp catastrophe. The results fully…
Quality Assurance Strategies in Medical Diagnostic Laboratories
Medical diagnostic laboratories are foundational to modern healthcare, providing objective data that informs an estimated 70% of clinical decisions. The accuracy, reliability, and timeliness of laboratory results are therefore paramount to effective patient care and safety. However, the diagnostic process is vulnerable to error, with studies indicating that most individuals will experience a diagnostic error in their lifetime, contributing to sig…
Comparative Evaluation of Long-Term Clinical Performance and Patient Satisfaction in Zirconia Versus Lithium Disilicate Crowns
This multi-center randomized controlled trial aimed to compare the long-term clinical performance and patient satisfaction of monolithic zirconia and lithium disilicate crowns in single-tooth restorations. A total of 240 patients requiring single full-coverage crowns were enrolled and randomly assigned to receive either a monolithic zirconia (n=120) or lithium disilicate (n=120) crown. Crowns were fabricated using standardized CAD/CAM workflows a…
Challenges That Examiners Encounter When Assessing Speaking Skills at Yanbu English Language Institute and Preparatory Year Program (Yeli-PYP)
The current paper aims to explore the challenges that assessors face when they conduct the speaking test at Yanbu English Language Institute and Preparatory Year Program (YELI-PYP). The study employed interviews to collect the data, with a sample consisting of 10 faculty members that varied between males and females, native and non-native speakers. The study revealed the following results: the examiners found that their students used incorrect gr…
The Dual Role of Digital Self-Efficacy in Reading Engagement from a Nonlinear Dynamics Perspective
Background: The purpose of this study is to elucidate the potentially complex relationship between digital self-efficacy and students' engagement with reading activities, given that the students are known to enjoy reading. Of particular interest were the roles of digital self-efficacy as potential regulators and/or moderators of students' engagement with reading activities at school. Methods: The participants were fourth-grade students from the K…
The Zakatability of AI
The rapid integration of artificial intelligence (AI) into financial ecosystems necessitates a reexamination of zakat frameworks under both Islamic jurisprudence and Saudi reg-ulatory systems. This study bridges a critical scholarly gap by systematically analyzing the classification of AI systems and their outputs as either zakatable assets or obligated entities. Employing a tripartite methodology that combines textual analysis of classical fiqh,…
Laboratory Medicine at the Crossroads
This article reviews the transformative role of laboratory medicine at the intersection of emerging technologies and healthcare innovation. The integration of genomics, big data analytics, and point-of-care testing (POCT) has redefined diagnostic strategies and patient management, offering unprecedented opportunities to enhance precision medicine and healthcare outcomes. By examining recent advances, challenges, and future directions, this review…
Correcting Reliability for Sample Variability and Attenuation in R
Guessing During Testing is a Person Attribute Not an Instrument Parameter
The three-parameter logistic (3PL) model in item-response theory (IRT) has long been used to account for guessing in multiple-choice assessments through a fixed item-level parameter. However, this approach treats guessing as a property of the test item rather than the individual, potentially misrepresenting the cognitive processes underlying the examinee’s behavior. This study evaluates a novel alternative, the Two-Parameter Logistic Extension (2…
Psychology (8 works) · Medicine (5 works) · Political science (4 works) · Health care (3 works) · Mathematics education (3 works) · Social Psychology (3 works) · Social Psychology (3 works) · Big data (2 works) · Biomedicine (2 works) · Bullying, Victimization, and Aggression (2 works)