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Journal of Turkish Science Education, Sep 29, 2022
. For the students to solve problems in the future life, they need to acquire the six fundamental... more . For the students to solve problems in the future life, they need to acquire the six fundamental basic Science Process Skills (SPS) at the early stages of their education. Science process skills are the thinking skills that are used by scientists during the construction of knowledge toward solving problems . Science process skills are of two categories, namely, basic SPS and integrated SPS . While integrated SPS are complex and therefore used in higher grade students, basic SPS are simple skills that are essential for This study aimed to examine the effect of problem-based learning (PBL) in developing science process skills (SPS) and learning achievement on the topic of 'Safety in Our Environment' in secondary schools in Tanzania. The study employed a quasi-experimental design. The participants for the study were Form One 'Stream E' students in the experimental school and Form One 'Stream D' students in the control school. Data were collected using a structured questionnaire and an achievement test. The results showed that the use of the PBL approach increased the mean scores from pre-test to post-test that were statistically significant at p = .00 in developing SPS compared to traditional teaching methods. Also, the use of PBL showed an increase in students' scores on the achievement test compared to the traditional teaching methods. Traditional teaching methods have the ability to retain achievement at a low level of cognitive ability as compared to PBL. Furthermore, PBL showed that there was no statistically significant difference in achievement based on gender as compared to the traditional teaching methods. The study recommends a continuous use of learner-centered approaches such as PBL in teaching and learning science subjects including Biology
Examination of Pedagogical Practices of Secondary School Physical Education Teachers in Tanzania
Huria, Jun 5, 2023
Advances in preventive medicine, 2016
Background. The understanding of obesity as a growing health problem in Africa and Tanzania in pa... more Background. The understanding of obesity as a growing health problem in Africa and Tanzania in particular is hampered by lack of data as well as sociocultural beliefs in which overweight and obesity are revered. This study sought to determine the prevalence of overweight and obesity among primary school children aged 8-13 years in Dar es Salaam, Tanzania. Method. A cross-sectional analytical research design was used to study overweight and obesity in primary schools in Dar es Salaam, Tanzania. The target population was 150,000 children aged 8-13 years. Stratified random sampling was used to select 1781 children. Weight and height were taken and WHO standards for children were used to determine weight status. Results. Findings showed that the prevalence of overweight and obesity was 15.9% and 6.7%, respectively (= 1781). However, 6.2% of the children were underweight. There were significant differences in mean BMI between children in private and public schools (= 0.021), between male and female (< 0.001), and across age groups of 8-10 and 11-13 years (< 0.001). Conclusion. The prevalence of overweight and obesity among primary school children is significant and requires management and prevention strategies.
Background. The understanding of obesity as a growing health problem in Africa and Tanzania in pa... more Background. The understanding of obesity as a growing health problem in Africa and Tanzania in particular is hampered by lack of data as well as sociocultural beliefs in which overweight and obesity are revered. This study sought to determine the prevalence of overweight and obesity among primary school children aged 8-13 years in Dar es Salaam, Tanzania. Method. A cross-sectional analytical research design was used to study overweight and obesity in primary schools in Dar es Salaam, Tanzania. The target population was 150,000 children aged 8-13 years. Stratified random sampling was used to select 1781 children. Weight and height were taken and WHO standards for children were used to determine weight status. Results. Findings showed that the prevalence of overweight and obesity was 15.9% and 6.7%, respectively ( = 1781). However, 6.2% of the children were underweight. There were significant differences in mean BMI between children in private and public schools ( = 0.021), between ma...
Journal of Turkish Science Education, Sep 29, 2022
. For the students to solve problems in the future life, they need to acquire the six fundamental... more . For the students to solve problems in the future life, they need to acquire the six fundamental basic Science Process Skills (SPS) at the early stages of their education. Science process skills are the thinking skills that are used by scientists during the construction of knowledge toward solving problems . Science process skills are of two categories, namely, basic SPS and integrated SPS . While integrated SPS are complex and therefore used in higher grade students, basic SPS are simple skills that are essential for This study aimed to examine the effect of problem-based learning (PBL) in developing science process skills (SPS) and learning achievement on the topic of 'Safety in Our Environment' in secondary schools in Tanzania. The study employed a quasi-experimental design. The participants for the study were Form One 'Stream E' students in the experimental school and Form One 'Stream D' students in the control school. Data were collected using a structured questionnaire and an achievement test. The results showed that the use of the PBL approach increased the mean scores from pre-test to post-test that were statistically significant at p = .00 in developing SPS compared to traditional teaching methods. Also, the use of PBL showed an increase in students' scores on the achievement test compared to the traditional teaching methods. Traditional teaching methods have the ability to retain achievement at a low level of cognitive ability as compared to PBL. Furthermore, PBL showed that there was no statistically significant difference in achievement based on gender as compared to the traditional teaching methods. The study recommends a continuous use of learner-centered approaches such as PBL in teaching and learning science subjects including Biology
Examination of Pedagogical Practices of Secondary School Physical Education Teachers in Tanzania
Huria, Jun 5, 2023
Advances in preventive medicine, 2016
Background. The understanding of obesity as a growing health problem in Africa and Tanzania in pa... more Background. The understanding of obesity as a growing health problem in Africa and Tanzania in particular is hampered by lack of data as well as sociocultural beliefs in which overweight and obesity are revered. This study sought to determine the prevalence of overweight and obesity among primary school children aged 8-13 years in Dar es Salaam, Tanzania. Method. A cross-sectional analytical research design was used to study overweight and obesity in primary schools in Dar es Salaam, Tanzania. The target population was 150,000 children aged 8-13 years. Stratified random sampling was used to select 1781 children. Weight and height were taken and WHO standards for children were used to determine weight status. Results. Findings showed that the prevalence of overweight and obesity was 15.9% and 6.7%, respectively (= 1781). However, 6.2% of the children were underweight. There were significant differences in mean BMI between children in private and public schools (= 0.021), between male and female (< 0.001), and across age groups of 8-10 and 11-13 years (< 0.001). Conclusion. The prevalence of overweight and obesity among primary school children is significant and requires management and prevention strategies.
Background. The understanding of obesity as a growing health problem in Africa and Tanzania in pa... more Background. The understanding of obesity as a growing health problem in Africa and Tanzania in particular is hampered by lack of data as well as sociocultural beliefs in which overweight and obesity are revered. This study sought to determine the prevalence of overweight and obesity among primary school children aged 8-13 years in Dar es Salaam, Tanzania. Method. A cross-sectional analytical research design was used to study overweight and obesity in primary schools in Dar es Salaam, Tanzania. The target population was 150,000 children aged 8-13 years. Stratified random sampling was used to select 1781 children. Weight and height were taken and WHO standards for children were used to determine weight status. Results. Findings showed that the prevalence of overweight and obesity was 15.9% and 6.7%, respectively ( = 1781). However, 6.2% of the children were underweight. There were significant differences in mean BMI between children in private and public schools ( = 0.021), between ma...