Department of Teacher Education
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Item The DTML-Conversion Model(2017-02-22) Kumassah, E.K.; Nyarko, K.Conversion within quantities of same units and between quantities of different units is a thorny subject for students. Its treatment by tutors sometimes becomes very difficult such that some tutors handle the subject theoretically and/or in abstraction. As a result, most students find the topic difficult to comprehend. In view of this, the DTML-Conversion model (i.e. the D-Conversion model (i.e. distance), the T-Conversion model (i.e. time), the M-Conversion model (i.e. mass) and the Reverse L-Conversion model (i.e. litre)) was designed. The DTML-Conversion Model is created by the researcher to make the teaching and learning of conversion in measurement more manageable for tutors and less troubling for students. The presentation will demonstrate one component of the model (the Distance-conversion functions) and how it can be effective in the teaching and learning of unit conversions.Item Using Technology to Enhance Students’ Understanding of Selected Science Concepts in Integrated Science(2016-10-26) Kumassah, E.; Nyarko, K.Momentum and Direct Current are fundamental concepts in science, necessary for understanding a variety of phenomena of importance such as work, energy (i.e. potential and kinetic), impulse, power, pressure and force among others. However, investigations conducted among science students in linear momentum and direct current in other countries indicated that the difference between what is taught and what is learnt in science classes is much greater than what most instructors perceived. This is because findings from these studies showed that students have difficulties in understanding linear momentum and direct current. Over the years, this same issues have been raised by the Integrated Science Chief Examiners’ reports at the Colleges of Education level in Ghana. This ongoing study intends to use technology through a three-stage design-based research approach to see if technology could help bring about students' understanding in these two conceptsItem Powering the Movement to Address the Physical Inactivity Crisis(2017-09-20) Ocansey, R.T.; Nyarko, K.From the Global Burden of Disease Study (GBD), physical inactivity ranks 4th among the top ten risk factors for non-communicable diseases, cardiovascular diseases and other chronic diseases. The Active Healthy Kids Global Alliance Report Card (RC), the Global Matrix (GM) of Physical Activity, and the Global Observatory for Physical Activity (GoPA!) were developed to help power the movement to address this physical inactivity crisis. These are public-facing documents reporting a synthesis of the best available evidence within a country to assign letter grades, identify research gaps and provide recommendations for improvement of physical activity participation. Methods: Data are obtained through survey of opinions of key stakeholders and peer-reviewed and grey literature. Grades are assigned independently and thereafter, a consensus meeting of the experts harmonize grades based on best available evidence. Grades: Active Transportation (C), Active Play (B). Four indicators- Sedentary Behavior, School, Government and Overall PA (D). Conclusions and Implications: Over 60% engage in inadequate amounts of PA. The grades have the potential to raise awareness and promote relevant policy and practice changes to promote physical activity.Item A Description of Physical Activity Levels and Overweight among Senior High School Children in the Accra Metropolis(2017-04-26) Nyawornota, V.K.; Nyarko, K.Physical activity is fundamental to energy balance and weight control. Globally, about 23 per cent of adults and 81 per cent of school-going adolescents are not active enough (WHO). Physical inactivity and the prevalence of overweight are rising at an alarming rate worldwide. It is considered the 4th risk factor for non-communicable diseases and specifically responsible for the increases in overweight among adolescents and adults. There is little evidence on physical activity and overweight among the adolescents in Ghana. This presentation focuses on overweight, obesity, physical activity and inactivity levels among adolescents in the Accra Metropolis. 500 students between the ages of 15 and 19 completed a structured questionnaire. Results indicated that there is a greater risk of overweight among the less physically active. The study recommended that mechanisms must bekk put in place to increase physical activity levels to reduce overweight and non-communicable diseases