An Assessment of the Effectiveness of Audio-Visual Teaching and Learning Aids on Developing Student’s Critical Thinking: A Case of Secondary Schools in Karagwe District.

Ibrahim, Simon (2025) An Assessment of the Effectiveness of Audio-Visual Teaching and Learning Aids on Developing Student’s Critical Thinking: A Case of Secondary Schools in Karagwe District. Masters thesis, The Open University of Tanzania.

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Abstract

This study examined the effectiveness of audio-visual (AV) teaching and learning aids in developing students’ critical thinking in secondary schools in Karagwe District. The objectives were to determine the extent to which AV teaching aids are utilized, assess the level of students’ critical thinking, and examine the extent to which AV aids enhance critical thinking development. The study adopted a quantitative research approach underpinned by a positivist philosophy and employed a survey research design. A convenient sampling technique was used to select 346 respondents from secondary schools. Data were collected using structured questionnaires and analyzed through descriptive and inferential statistics. The findings revealed that the utilization of AV teaching aids in secondary schools was moderate, but their use had a positive and significant influence on students’ critical thinking. Students taught using AV-supported lessons demonstrated improved problem-solving skills, stronger analytical reasoning, and a better ability to apply knowledge in real-life contexts compared to those taught using traditional methods. Furthermore, AV aids enhanced student engagement, participation, and collaboration during lessons. The study concludes that AV teaching aids play a critical role in improving students’ critical thinking and recommends increasing access to AV resources through coordinated efforts by the government, school administrations, and stakeholders. Additionally, regular teacher training and capacity-building programs are essential to equip educators with the necessary technical and pedagogical skills for effective integration of AV aids into classroom practices. Keywords: Audio-visual aids, critical thinking, secondary education, constructivist pedagogy, Tanzania

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