Browsing Faculty of Natural and Agricultural Sciences by Author "Ellis, Suria M."
Now showing items 1-17 of 17
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Developing a Basic Mathematics Questionnaire for Grades 4 to 7
Van der Walt, Marthie S.; Maree, Jacobus G.; Ellis, Suria M. (Elliot & Fitzpatrick, 2009) -
Developing a study orientation questionnaire in Mathematics for primary school students
Maree, Jacobus G.; Van der Walt, Martha S.; Ellis, Suria M. (Sage, 2009) -
Differences in body composition and prevalence for postural deviations in girls from two racial groups in South Africa
Stroebel, Suzanne; De Ridder, J. Hans; Wilders, Cilas J.; Ellis, Suria M. (University of Stellenbosch, 2009)Little is known about ethnic differences in developing countries such as South Africa, particularly with regard to prevalence of postural deviations and body composition profiles. The aim of this study is to compare the ... -
Factors affecting the recovery-stress, burnout and mood state scores of elite student rugby players
Grobbelaar, Heinrich W.; Malan, Dawid D.J.; Steyn, Ben J.M.; Ellis, Suria M. (Stellenbosh University, 2010)A sample of 41 male student rugby players (mean age: 21.87 ± 1.39 years) completed the Recovery-Stress Questionnaire (Kellmann & Kallus, 2001), Athlete Burnout Questionnaire (Raedeke & Smith, 2001) and Stellenbosch Mood ... -
Gene-environment and gene-gene interactions of specific MTHFR, MTR and CBS gene variants in relation to homocysteine in a black South Africans
Nienaber-Rousseau, Cornelie; Ellis, Suria M.; Moss, Sarah J.; Towers, G. Wayne; Melse-Boonstra, Alida (Elsevier, 2013)The methylenetetrahydrofolate reductase (MTHFR), cystathione-β-synthase (CBS) and methionine synthase (MTR) genes interact with each other and the environment. These interactions could influence homocysteine (Hcy) and ... -
Influence of the practice environment on community service nurses’ subjective well-being, compassion practice and psychological capital
Holtzhausen, Jan Dirk Visagie; Coetzee, Siedine K.; Ellis, Suria M. (Elsevier, 2020)Background The practice environment as experienced by community service nurses (CSNs) has not been explored in the South African context, and few studies have explored the influence of the practice environment on intrapersonal ... -
Leisure time physical activity participation in women (30-65 years) with high coronary heart disease risk indicators
Loock, Henriette V.; Wilders, Cilas J.; Strydom, Gert L.; Ellis, Suria M. (AFAHPER-SD, 2011)The aim of this study was to determine the effect of leisure time physical activity participation (LTPA) on South African women presenting with some enhanced coronary heart disease (CHD) risk indicators (physical inactivity, ... -
Medication administration errors and related deviations from safe practice: an observational study
Blignaut, Alwiena J.; Coetzee, Siedine K.; Klopper, Hester C.; Ellis, Suria M. (Wiley, 2017)Aims and objectives To determine the incidence of medication administration errors, medication administration-related deviations from safe practice as well as factors associated with these errors in medical and surgical ... -
Non-nursing tasks, nursing tasks left undone and job satisfaction among professional nurses in South African hospitals
Bekker, Monique; Knobloch Coetzee, Siedine; Klopper, Hester C.; Ellis, Suria M. (Wiley, 2015)Aim:To investigate the relationship between non-nursing tasks (NNTs), nursing tasks left undone (NTLU) and job satisfaction among professional nurses (PNs) in South Africa (SA). Background: This study adds to the international ... -
A profile analysis of some selected health risk indicators in South African women (30 -65 years)
Loock, Henriette V.; Wilders, Cilas J.; Strydom, Gert L.; Ellis, Suria M. (AFAHPER-SD, 2010)The objective of this study was to compile a profile of some selected health risk indicators (hypertension, hypercholesterolemia, obesity, smoking and physical inactivity) of South African women, aged 30-65 years (x = 41.6 ... -
A proposed cutoff point of waist-to-height ratio for metabolic risk in African township adolescents
Kruger, H. Salome; Faber, Mieke; Schutte, Aletta E.; Ellis, Suria M. (Elsevier, 2013)Objective: A waist:height ratio (WHtR) higher than 0.5 has been proposed as a cutoff point for abdominal obesity in both sexes and at all ages. It is unknown if this cutoff point is appropriate for previously undernourished ... -
Psychosocial health of an African group before awareness of HIV status: a comparative study
Maré, Lanél; Wissing, Marié P.; Watson, Mada J.; Ellis, Suria M. (Taylor & Francis, 2011)This study aimed to explore the psychosocial health profiles of people with and without HIV before they learned their infection status. A total of 1,025 participants (males = 386, females = 639, age range = between 32 and ... -
Rasch analysis of the Meaning in life Questionnaire among adults from South Africa, Australia, and New Zealand
Schutte, Lusilda; Wissing, Marié P.; Ellis, Suria M.; Jose, Paul E.; Vella-Brodrick, Dianne A. (BioMed Central, 2016)Background: Meaning in life is a key indicator of subjective well-being and quality of life. Further developments in understanding and enhancing the construct will depend inter alia on the sound measurement thereof. This ... -
Relationship of nurses’ intrapersonal characteristics with work performance and caring behaviors: a cross‐sectional study
Geyer, Nelouise-Marie; Coetzee, Siedine K.; Ellis, Suria M.; Uys, Leana R. (Wiley, 2018)This study aimed to describe intrapersonal characteristics (professional values, personality, empathy, and job involvement), work performance as perceived by nurses, and caring behaviors as perceived by patients, and to ... -
A tale of two systems-Nurses practice environment, well being, perceived quality of care and patient safety in private and public hospitals in South Africa: a questionnaire survey
Coetzee, Siedine K.; Klopper, Hester C.; Ellis, Suria M.; Aiken, Linda H. (Elsevier, 2013)Objective: To examine the practice environment, nurse reported quality of care and patient safety, and nurse workforce outcomes in medical and surgical units in private and public hospitals in South Africa (SA), and determine ... -
Technological pedagogical content knowledge in South African mathematics classrooms: a secondary analys of SITES 2006 data
Leedertz, Verona; Blignaut, A. Seugnet; Nieuwoudt, Hercules D.; Els, Christo J.; Ellis, Suria M. (AOSIS, 2013)This article reports on a secondary data analysis conducted on the South African mathematics teachers’ dataset of the Second Information Technology in Education Study (SITES 2006). The sample consisted of a stratified ... -
Triglyceride concentration and waist circumference influence alcohol-related plasminogen activator inhibitor-1 activity increase in black South Africans
Pieters, Marlien; De Lange, Zelda; Hoekstra, Tiny; Ellis, Suria M.; Kruger, Annamarie (Wolters Kluwer, 2010)