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Assessing the Effectiveness of Computer-Aided Instructional Techniques in Enhancing Students’ 3D Geometry Spatial Visualization Skills Among Secondary School Students in Tanzania
By Marcellina Mjenda
Proficiency in spatial visualization plays a significant role in learning 3D geometry. Spatial visualization ability can be enhanced through the use of relevant teaching and learning techniques. The study aimed to investigate the impact of computer-aided instructional techniques on improving students' spatial visualization skills in learning 3D geometry, addressing the issue of low spatial visualization ability among students. The study followed a mixed research approach with a quasi-experimental design. Twenty mathematics teachers were purposively selected, and 267 Level-4 students from six ordinary-level secondary schools were purposively chosen for the study. Data were gathered using interviews, and pre- and post-tests of control and treatment groups through the use of computer simulation and animation of 3D figures in the treatment group, while the control group was taught using traditional methods. The Statistical Package for Social Sciences (SPSS) was used to compute descriptive and inferential statistics from quantitative data, while thematic analysis was applied to analyze qualitative data. The results from mathematics teachers’ interviews indicate that teachers put less emphasis on enhancing students’ spatial visualization abilities. Students from the treatment group outperformed the control groups on spatial visualization ability in terms of test scores. Additionally, an independent sample t-test revealed a statistically significant difference between the control and treatment groups in terms of spatial visualization ability. The computer-aided instructional approach is relevant in enhancing students’ spatial visualization abilities. To improve students' spatial visualization skills, the researchers propose in-service training for teachers to incorporate computer simulations and animations into the teaching and learning of 3D geometry. © Authors.
Developing Mathematics teachers' attitude towards technology integration through school-based lesson design teams
By Joseph Njiku
Purpose: This study aims to investigate the development of Mathematics teachers' attitudes towards technology integration through collaborative lesson design activities as part of professional development. Design/methodology/approach: The pre-and post-test for non-equivalent comparison groups quasi-experiment was adopted as the study design where 125 participants were distributed into three groups in Dar es Salaam – Tanzania. Data analysis was done using gain in scores, t-test, split-plot analysis of variance, and eta-squared. Findings: Comparison across groups and between pre-intervention and post-intervention showed that collaborative lesson design activities have more potential to develop Mathematics teachers' attitudes than the isolated implementation of such activities. Relevant recommendations are provided. Practical implications: The study offers valuable insights for teacher education especially in-service training focussing on effective ways of developing teachers' competencies especially attitudes towards technology integration. Originality/value: Although lesson design studies are prevalent, majority have investigated the development of teachers' knowledge rather than attitude for integrating technology. Additionally, the study sheds light on attitude as a multidimensional construct thereby providing more insight into the subject. © 2023, Emerald Publishing Limited.
Relationship between active learning heuristic problem-solving approach and students’ attitude towards mathematics
By Robert Wakhata
The study explored the direct relationship between active learning heuristic problem-solving approach and students’ attitude towards mathematics, using linear programming (LP) word tasks. Two instruments were used for data collection: the Attitude towards Mathematics Inventory-Short Form was adapted (with α =.75) as a multidimensional measurement tool, and a validated standardized active learning heuristic problem-solving tool. A quantitative approach with a quasiexperimental pre-test, post-test, and non-equivalent control group study design was adopted. A sample of 608 grade 11 Ugandan students (291 male and 317 female) from eight secondary schools (public and private), four from central Uganda, and the remaining four from eastern Uganda participated. Data were analyzed using PROCESS macro for SPSS (v.4). The results revealed a direct significant positive relationship between active learning heuristic problem solving approach (ALHPSA) and students’ attitude towards solving LP word tasks (ATLPWTs). Thus, the ALHPSA positively and directly impacted on students’ ATLPWTs. The findings can be explained by theoretical, conceptual, and/or psychometric factors. Overall, the results indicate beneficial practical implications that support the theoretical framework for enhancing the learning of mathematics using word problems in Ugandan secondary schools and beyond © 2023 by the authors; licensee Modestum. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/)
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