Ear and eye training: Algorithms for the advanced student of audio, image, and video engineering
November 2022
A lot of research has been taking place when it comes to audio, image, and video processing. Whereas the algorithms involved are very sophisticated, there is still an issue when they need to be taught to students, mainly because they are difficult to comprehend and they require an experienced trainer to guide the students. This article presents an analysis of two of our algorithms designed for ear and eye training, for...
Laboratory report on quantification of anacardic acids from pistachio hulls
November 2022
Pistachio hull contains anacardic acids. It is a salicylic acid with a side chain either saturated or unsaturated. This work focused on the efficient extraction of anacardic acids using solvent. Six aliquots were weighed and extracted with hexane, ethyl acetate, and mixture of H2O/MeOH/HCl. Hexane was the most efficient solvent due to its ability to dissolve the anacardic acids. Only one anacardic acid standard was used...
School graduation finals are “dead” - long live the student’s e-portfolio
September 2021
The concept of e-portfolios is to reflect an avenue into the past, present, and future of a person; displaying his or her lifetime education and devotion to further development, represents a valuable tool in aiding students’ not only in their academic growth, but mainly in their transition into higher education levels or even new careers. In the last few years, especially after the COVID-19 pandemic, the use...
Study strategy as predictor of undergraduate students’ achievement of Abubakar Tafawa Balewa University, Bauchi
May 2021
This study examines the influence of study strategy on academic achievement of undergraduate students of ATBU Bauchi. A survey design was adopted. One thousand two hundred undergraduate students of ATBU Bauchi participated in the study and were selected randomly from the seven faculties of the university. A study strategy questionnaire adopted from previous studies relevant to the current research was used as an...
Implementation of active learning methods in mathematics classes of Woliso town primary schools, Ethiopia
June 2020
The purposes of this study were to explore the nature of the teaching-learning process in line with active learning methods and to identify the major challenges hindering the implementation of these approaches in mathematics classes. Both qualitative and quantitative methods of data collection were employed which is a mixed method research design. Probability proportional sampling technique for students and availability...
Seismic risk management education: Its place in life and earth science textbooks for secondary schools in Morocco
July 2019
This research is based on Life and Earth Sciences (LES) textbooks (El Moufid in LES and El Massar in LES) used in Morocco for second year of college. It is aimed at showing the place of seismic risks education in LES. The methodology used is based on the content analysis of seismic risk management education in these manuals. The results show that this approach is more or less neglected in these textbooks; yet Morocco...
Classroom science with everyday life: A means for improving performance in sciences and national development in Nigeria
July 2019
Science is a body of knowledge about the natural world (the environment) that is testable, verifiable or falsifiable by using organized scientific methods and skills. It has been generally asserted that the rate of development of any nation depends on the level of her citizens’ scientific literacy and competence in science process skills. The methods of teaching/learning science in Nigeria have hardly provided for...
Utilization of the internet by undergraduate students of the University of Ibadan, Nigeria
July 2019
The internet technology over the past few decades has become an important tool in higher education for learning, teaching and research. The study investigated the internet activities engaged in, frequency of use of the internet and challenges limiting the use of the internet among the undergraduate students of the University of Ibadan, Nigeria. A survey research design was adopted. A close-ended questionnaire was used...
Effect of social media on undergraduate students’ achievement and interest in chemistry in the North-central geo-political zone of Nigeria
April 2019
This paper gives a report of the effect of social media on undergraduate students’ achievement and interest in chemistry in the north-central geo-political zone of Nigeria. The research design adopted was a cross-sectional survey. The population of this study comprised all undergraduate chemistry students from the universities in the north-central geopolitical zone of Nigeria. 240 undergraduate chemistry students...
Distribution of ABO and Rh (D) blood groups among students attending secondary and preparatory schools in Bote town, Oromia national regional state, Ethiopia
March 2019
Knowledge of distribution of ABO and Rh blood groups is helpful for effective management of blood banks and safe blood transfusion services. The prevalence of these blood groups varies worldwide and may not be found in equal numbers even among ethnic groups. The aim of this study was to find out the distribution of ABO and Rh (D) blood groups among students attending high schools in Bote town, Ethiopia from...
Exploring the Mathematics and Science subject matter content in the Primary School Level in Lesotho teachers
December 2018
Mathematics and Science education is very important for any nation to realise meaningful economic development. Most studies looking at this important aspect of education focus on post primary to tertiary education leaving the primary level which is a foundation for those levels making the story incomplete. This study explored the dynamics of primary school teaching of Mathematics and Science with respect to the subject...
Predictive modelling and analysis of academic performance of secondary school students: Artificial Neural Network approach
May 2018
The need for educational managers and policy makers to design and implement pedagogical and instructional interventions necessitates the development and validation of a predictive model for analyzing the academic performance of students before gaining admission into university. This study adopts feed-forward neural network to establish and analyze the complex nonlinear relationship that exist between cognitive and...
Single basis function method for solving diffusion convection equations
September 2017
In this study, we developed a new numerical finite difference method for solving various diffusion convection equations. The method involves reduction of the diffusion convection equations to a system of algebraic equations. By solving the system of algebraic equations we obtain the problem approximate solutions. The study of the numerical accuracy of the method has shown that the method provides similar results to the...
Thailand’s classroom learning practices in secondary level: Are we ready for learning in the 21st-Century?
March 2017
Based on data from a survey of students and teachers in 933 Thailand secondary schools in the Northeastern area of the country, this study explores students’ and teachers’ perspectives of current-, issues and needs of the classroom practices towards 21st century learning. The majority of the reported current instructional circumstance is traditional. The results found unsteady and slow internet connection,...
Internet Acceptance and Use Model in Ethiopian Agriculture Education and Research: the case of two Universities
September 2016
Many studies proposed models of ICT acceptance and use in order to better predict and explain users’ behavior to account for the changing technologies. Hence, a question is whether models of technology use and acceptance that have been developed and used in the developed world can be applied to explain Internet acceptance and use by Agriculture staff of two Universities in Ethiopia. To this end, this study applied...
Developing education-based management system using geo-spatial analysis for selected secondary schools in Ilorin West Local Government Area, Kwara State, Nigeria
August 2016
In Nigeria, management of education-based system is still subject to manual method in most of the public secondary schools. This study, however, develops Education Management Information System (EMIS) using Geographic Information System to provide accurate, relevant and up-to-date information on spatial basis. The study further identifies spatial related information that includes; staff strength, student enrollment,...
Instructional misconceptions of prospective chemistry teachers in chemical bonding
July 2016
This paper is a report of an action research which attempts to detect and correct various misconceptions in chemical bonding retained by some pre-service chemistry teachers who were in their third and fourth year in the university. At systematic and elaborate instructional sessions, questioning approach, micro teaching, and structured essay test were employed to detect misconceptions while concept mapping blended with...
The solar-reflective characterization of solid opaque materials
June 2016
With respect to the reflective behaviour of solar radiation on solid surfaces being relevant for (micro)-climate modelling, particularly at pavements, buildings and roofs, it is proposed that making a difference between the colour dependent terms albedo as and solar reflection coefficient αs, the former being related to a white surface and the latter being related to the total incident solar radiation. As a...
Family characteristics: Indices of adolescents’ sexual behaviour
October 2015
This study examined the effect of family characteristics and parental status on adolescents’ sexual behavior in Okun land of Kogi State. Data were obtained from male and female adolescents in ten Government Secondary Schools among the Okun-Yoruba tribe of Kogi State. The Okun-Yorubas occupied five LGAs of the state. Two schools were selected from each of the LGAs. In all, 781 copies of questionnaire were...
A new way of evaluating basic university level competences: Instrument design and validation
July 2015
The results of the research presented in this article describe the construction of an instrument to measure and evaluate basic university level competences. It is an instrumental type of study as both psychometric theory and techniques are applied. The theoretical framework for competences is based on the content of the Delors report (1996) and the ideas commonly shared by Perrenoud (1998), Roegiers (2001), De Kelet...
Exploring teaching practices of science and technology in Malawi primary schools
December 2014
Research about primary school teachers’ understanding of the meaning and implications of science and technology as a learning area has revealed considerable confusion about these terms, both in their professional sense and concerning their roles in education and economic development. Many countries established science and technology in their school curriculum to help pupils develop scientific and technological...
Career choice and academic performance of Microbiology students in a Nigerian university
November 2014
The poor academic performances of Microbiology students in Ahmadu Bello University, Zaria and the increasing number of students transferring to the department prompted this study which determined the effects of the choice of Microbiology as career on the students’ academic performance. Eighty five students that consented, out of a total of 106 eligible students that were in 300 level and 400 level in the...
Vanishing of clock power consumption by using provisional pulse enhancement scheme
September 2014
In this paper, first a low-power pulse-triggered flip-flop (FF), a simple two-transistor AND gate is designed to reduce the circuit complexity. Second, a conditional pulse-enhancement technique is devised to speed up the discharge along the critical path only when needed. As a result, transistor sizes in delay inverter and pulse-generation circuit can be reduced for power saving. Various post layout simulation results...
Effects of using simulation in e-learning programs on misconceptions and motivations towards learning
August 2014
The aim of this paper is to measure the effects of using simulation in e-learning programs on misconception and motivation towards learning for the college of education students in University of Kuwait. The course of Environmental Education was used as a case study. Experimental method was used in this study to answer the research questions. Three measurements were used in testing the research hypotheses:...
Cognitive effects of curriculum model and school type on science learning: Implication for production of quality young scientists
July 2014
The study focused on determining the influence of curriculum models and school type variables on students’ cognitive learning outcome in science. Opinions vary as to variables that affect science learning outcomes among boys and girls. Research reports have also contradicted one another on the disparity that exists between the sexes in achievements in science and in participation in science occupations. This study...
The comparison of logistic regression models, on analyzing the predictors of health of adolescents, having multinomial response in Jimma Zone South-west Ethiopia
July 2014
Self- reported health status is the most commonly used measures of subjective and global measure of health because it is simple, economical and easy to administer. The objective of the study is to compare the performance of logistic regression models having multinomial response and identify the factors affecting health status of adolescents. Based on two stage sampling technique 2084 adolescents were interviewed to...
A software ability network in service oriented Architecture
July 2014
In recent days, Service-Oriented Architecture (SOA) is used as a proficient resolution to integrate and potentially distributed in the software firm and enterprise. Architectures explore great vital role of network evaluation of the system. In a SOA-network value based environment, Pattern proven the solutions and design is one of the most important issues that must be considered because of the loosely coupled nature of...
Peer assisted cooperative instructional strategy and cognitive ability levels of chemistry students in Etinan Local Government, Akwa Ibom, Nigeria
June 2014
This study examined the effect of peer assisted co-operative instructional strategy on the ability levels of students. Two research questions and hypotheses were developed to guide the study. A non-randomized pre-test and post -test control group design was adopted for the study. A total of 110 Senior Secondary 2 Chemistry students were used. Cognitive Ability Test (CAT) and Chemistry Performance Test (CPT) were the...
Predictor of e-learning development and use practices in higher education institutions (HEIs) of NWFP, Pakistan
September 2013
E-Learning is a novel concept in higher educations institutions of developing countries and especially in Pakistan. No one can predict the future but can surely prepare for it. Researchers on e-Learning in higher education institutions are capitalizing on the user-perceptions as possible predictor of the user-attitudes towards the development, use, problems and prospects of e-Learning. This application is...
Effects of teaching method on retention of Agricultural Science knowledge in senior secondary schools of Bauchi Local Government Area, Nigeria
July 2013
This study determined the effect of two teaching methods (demonstration and discussion) on student’s retention of Agricultural Science knowledge in secondary schools of Bauchi metropolis. The study was guided by two research questions based on the specific objectives and three null hypotheses, tested at 0.05 level of significance. The pretest-posttest control group quasi-experimental design was...
Attitude of undergraduates towards educational usage of the Internet: A case of library schools in Delta and Edo States of Nigeria
July 2013
The aim of this study is to investigate the attitudes of undergraduates of library schools in Delta and Edo states towards educational usage of the internet. The instrument used in collecting data was the questionnaire. 238 copies of the questionnaire were administered to the sample size which consists of undergraduates of library and information science departments in Delta and Edo states. The questionnaire...
Ethiopian university science and technology instructors’ attitudes toward active learning
June 2013
In the present scenario of education system, all people are under pressure to use the innovative strategies in the teaching and learning process, to teach students the knowledge and skills that are required for the 21st century. Active learning is a term used to identify teaching methods that require students to be actively involved in the learning process. Although there is clear evidence for the...
Using e-learning as a tool for ‘education for all’ in developing states
June 2013
There is no denial that developing countries have long-standing problems of education due to their scarce resources for providing education facilities to their masses. The provision of education for all and continuous education is impossible for these countries because they cannot afford to establish educational institutions filled with teachers and teaching facilities for every single citizen as available to...
Algebraic system of data space
February 2013
Problems which arise up during work with separate information sources and databases are analyzed. There are formalized model of data space as mean of integration and information analysis from separate sources. There is built data space algebraic system. It is shown that the algebraic system of database and data warehouse classes is the subclasses of the data space class algebraic system. The features of information...
Which way do we go in the teaching of biology? Concept mapping, cooperative learning or learning cycle?
February 2013
The major purpose of this study was to compare the relative effectiveness of concept mapping, cooperative learning and learning cycle methods with the intention of identifying which one among them will be most appropriate for teaching biology. To guide this study, five hypotheses were stated and tested at 0.05 level of significance. The design of the study was pre-test, post-test, follow-up post-test control...
Solar radiation: Correlation between measured and predicted values in Mubi, Nigeria
January 2013
The impact of wind power plant with doubly fed induction generator on the power systems
January 2013
Utilization of library and Information and communication technology tools in medical research
March 2012
The adoption of information and communication technologies (ICT) is on the increase in Nigerian higher institution of learning. The paper examines the role played by the medical library and the information and communication technology (ICT) tools in medical research. The study highlights the role of the medical library as an information resources centre in meeting the information needs of health...
Initiating technological and pedagogical shifts in low achieving urban minority classrooms
March 2012
This study explored the introduction of multi-modal teaching strategies alongside technology implementation in high poverty schools. Teachers were provided with scientific tools, simulations, and teaching stations and provided with training and opportunities to practice teaching strategies developed in conjunction with special education and literacy experts. Teacher interviews, classroom observations, and...
Implicit total variation diminishing (TVD) and essentially non-oscillatory (ENO) algorithms applied to the euler equations in three-dimensions
December 2011
In the present work, the Yee, Warming and Harten and the Yang schemes are implemented, on a finite volume context and using a structured spatial discretization, to solve the Euler equations in three-dimensions. The former is a TVD (Total Variation Diminishing) high resolution scheme, whereas the latter is a TVD or ENO (Essentially Non-Oscillatory) high resolution algorithm. All three schemes are flux...
Unsteady flow through porous medium induced by periodically rotating half-filled horizontal concentric cylindrical annulus with heat transfer
December 2011
This communication investigates the unsteady flow of viscous incompressible fluid through porous medium induced by periodically heated half filled concentric cylindrical annulus placed horizontally. The boundaries of the annulus are rotating periodically with different angular velocities in the same or opposite directions about their common axis. The governing equations are expressed in terms of stream...
Estimation of roadway capacity of eight-lane divided urban expressways under heterogeneous traffic through microscopic simulation models
December 2011
The aim of this study is to develop a microscopic simulation model by considering eight-lane divided urban expressway. For this purpose, the partially access controlled Delhi - Gurgaon Expressway which handles about 220,000 vehicles/day has been considered. From the collected data, speed - flow equations of different vehicle types on eight-lane divided urban expressways have been developed using PARAMICS...
Developing Nigerian integrated science curriculum
August 2011
Nigerian educational system has gone through various developments and changes viz-a-viz curriculum issues. The dynamic nature of the curriculum process informed the write-up of this paper. The selection and organization of curriculum content is one of the problems associated with the Nigerian educational system. This paper reviewed the genesis of integrated science curriculum development in Nigeria to...
Design and development of wick type solar distillation system
August 2011
The single basin wick type solar desalination was designed with corrugated galvanized iron sheet of area 1 m2 as an absorber in between the wick strip for obtaining maximum temperature inside the distiller. This distiller was tested at different inclinations for load and no load test in winter and summer months. The chemical analysis of the distilled water and impure water was carried out. The...
Time study and skidding capacity of the wheeled skidder Timberjack 450C
July 2011
For evaluating the efficiency of wheeled skidder Timberjack 450C in ground skidding system, a forest in Caspian region was selected. In the research area, trees were logged downhill to the depot by a wheeled skidder Timberjack 450C. The work elements of a skidding cycle from stump area to roadside depots were travel empty, establishment time, release the cable winch, hooking, winching, travel loaded,...
Time study and skidding capacity of the wheeled skidder Timberjack 450C
July 2011
For evaluating the efficiency of wheeled skidder Timberjack 450C in ground skidding system, a forest in Caspian region was selected. In the research area, trees were logged downhill to the depot by a wheeled skidder Timberjack 450C. The work elements of a skidding cycle from stump area to roadside depots were travel empty, establishment time, release the cable winch, hooking, winching, travel loaded,...
Multi-purpose low cost DC high voltage generator (60 kV output), using Cockcroft-Walton voltage multiplier circuit
July 2011
This work describes the details of high voltage D.C. power supply whose output is 60 kV, whereas its input voltage is 1-Φ 50 Hz 5 kV of sinusoidal waveform. This test set is suitable for field testing of high voltage cables, as a prime D.C source for very low frequency high voltage test, oscillating wave technique and impulse voltage charging unit due to its light weight and portability. In this study, we...
Higher education in India: Challenges and opportunities
June 2011
India has survived with an increasingly mediocre higher education system for decades. Now as India strives to compete in a globalized economy in areas that require highly trained professionals, the quality of higher education becomes increasingly important. So far, India's large educated population base and its reservoir of at least moderately well-trained university graduates have permitted the country...
Didactic models in engineering education supported on virtual reality technology
May 2011
Techniques of virtual reality (VR) were applied on the development of models related to the construction activity within Civil Engineering education context. The interaction allowed by 3D geometric models could make an end to passive attitudes of learners as an opposition to traditional teaching systems. In addition, VR technology could be applied as a complement to three-dimensional (3D) modeling, leading to...
Entropy generation in convection over an inclined backward-facing step with bleeding
May 2011
The current work investigates entropy generation around an inclined backward-facing step under bleeding conditions using suction/blowing. The entropy generation is due to heat transfer and fluid flow in forced convection laminar flow in a duct with inclined step. The set of governing equations containing conservations of mass, momentum and energy are solved numerically to calculate the velocity and...
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