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Now showing items 2539-2558 of 8878
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Effects of dialogical argumentation instruction on grade 10 learners’ understanding of concepts of chemical equations
(University of the Western Cape, 2014)This study explored the dialogical argumentation instruction approach to determine whether it enhanced grade ten learners‟ understanding of the chemical equation concept. Toulmin‟s argumentation pattern and the contiguity ... -
Effects of Dialogical Argumentation – Assessment for Learning Instructional Model on Grade 10 Learners’ Conceptions and Performance on Static Electricity
(University of the Western Cape, 2021)This study examined the effects of using Dialogical Argumentation and Assessment for Learning as an Instructional Method (DAAFLIM) in teaching static electricity focussing on lightning as an example of static electricity ... -
The effects of diferent reinforcements on the fracture toughness of provisional restorative materials
(University of the Western Cape, 2006)One of the most critical aspects of successful crown and bridgework is temporary restorations. Failure of temporary restoratins often affects the patient's confidence and mau result in unscheduled appointments for repair. ... -
The effects of differences in feeding regime and of export simulations on the growth of the abalone Haliotis midae Linnaeus
(University of the Western Cape, 2008)Beach-cast kelp (the most widely used feed for commercially grown South African abalone) is plentiful during winter months when periodic storms cause kelp to wash ashore. During summer, however, this resource is not always ... -
The effects of doxorubicin loaded chitosan-alginate nanoparticles on SK-N-BE(2) neuroblastoma cells
(University of the Western Cape, 2022)Cancer is a life-threatening disease and one of the leading causes of death globally. Cancer was thought to be associated with developed countries only but it is increasingly becoming a major health challenge in developing ... -
The effects of Elytropappus rhinocerotis Cass and Pelargonium triste (L.) L'Hèrit on animal health and metabolism
(University of the Western Cape, 2003)Many South Africans use cultural traditions and practices in the management of their health. Elytropappus rhinocerotis is an important medicinal plant, which is widely distributed in regions of South Africa. The objective ... -
The effects of environment on radio-loud AGN activity in Stripe 82
(University of the Western Cape, 2016)We investigate the link between environment and radiative accretion efficiency using a sample of 8946 radio-loud AGN detected at 1 − 2 GHz in the SDSS Stripe 82 region. We quantify their environments using the surface-density ... -
Effects of environmental growth conditions on the levels of sutherlandins 3 and 4 and sutherlandiosides B and D, in Sutherlandia frutescens (L.) R. Br.
(University of the Western Cape, 2011)Sutherlandia frutescens (L.) R. Br. (Fabaceae), indigenous to the Western Cape region of South Africa, is found in a Mediterranean-type climate known for its many environmental stressors that can influence the levels of ... -
The effects of Ethanol and Aspalathus linearis on immortalized mouse brain endothelial cells (bEnd5)
(University of the Western Cape, 2015)The blood brain barrier (BBB) is a signaling interface between the blood and the central nervous system (CNS), which prohibits the entry of harmful blood-borne substances into the brain micro-environment, thus maintaining ... -
The effects of ethanol and aspalathus linearis on immortalized mouse brain endothelial cells (bEnd5)
(University of the Western Cape, 2015)The blood brain barrier (BBB) is a signaling interface between the blood and the central nervous system (CNS), which prohibits the entry of harmful blood-borne substances into the brain micro-environment, thus maintaining ... -
Effects of exemplary teaching and learning materials on students performance in biology
(University of the Western Cape, 1998)This study sought to determine the effects of exemplary teaching and learning materials on students' participation and achievement in biology in Botswana science classrooms. In particular, it was concerned with examining ... -
Effects of exogenous myristic acid on growth and germination of Brassica napus L. under zirconium toxicity
(University of the Western Cape, 2016)Lipids when exogenously applied are known to cause various changes in ROS levels produced within plants. They can either be beneficial to the plant when not stimulating the overproduction of ROS thus resulting in improved ... -
The effects of Exomis micriphylla and Atriplex lindleyi on metabolism and health
(University of the Western Cape, 2002)For many decades people have used plants for healing various ailments. Plant products have been used in herbal remedies especially for their anti-infective properties. The following study was undertaken to assess the ... -
The effects of external debt burden on capital accumulation: a case study of Rwanda
(University of the Western Cape, 2005)This study attempted to examine the nature of the relationship between high levels of external debt and capital accumulation with the case study of Rwanda. -
The effects of family conflict on preadolescents' psychological needs and externalizing behaviour
(University of the Western Cape, 2015)To some extent all families experience family conflict; however, the concern is when it has an effect on preadolescents (age 10-12), behaviorally and psychologically. Preadolescence is a period marked by pubertal, emotional ... -
The effects of family structure and autonomy-supportive parenting on the adjustment of first year university students
(University of the Western Cape, 2017)The first year of university studies is usually accompanied by many new experiences, often stressful, and family members fulfil a significant role in helping to reduce students' stress and facilitate their adjustment. ... -
Effects of flood dynamics on island geomorphology in a large mixed bedrock-alluvial anabranching river: a case study of the Vaal River near Parys.
(University of the Western Cape, 2021)Rare-infrequent magnitude floods of shorter duration events are significant natural hazards and play a key role in shaping river channel and island geomorphology. For a given river or channel, there is a relationship between ... -
The effects of fluoride levels in potable water: case studies in the Northern Cape and Mitchell's Plain
(University of the Western Cape, 2006)Dental caries is a multi-factorial disease that affects everyone irrespective of race, class or gender, however, the burden of the disease is often found in children from lower socio-economic backgrounds. The nature of the ... -
Effects of Fucoidan and Chemotherapeutic agent combinations on Malignant and Non-Malignant breast cell lines
(University of the Western Cape, 2017)Breast cancer is currently one of the most common malignancies in women. Fucoidan (FUC) is a natural polysaccharide with anticancer properties. Despite a number of in vitro and in vivo studies reporting the efficacy of ... -
The effects of gallic acid on the membrane proteome and antioxidant system of wheat plants under salt stress
(University of Western Cape, 2020)Salt stress is a major abiotic stress that accounts for huge agricultural losses worldwide, which in turn threaten food security and sustainable agriculture. Salt triggers the excessive production of reactive oxygen species ...
