Title: Effects of Inadequate Use of Graphics and Digital Graphics in Delivery of Instructional Contents in Public Higher Educational institutions in Nigeria
Authors: Christian Nwakanma PhD, Juliana Chinyeaka Aniche PhD, Ekeh Camillus Ugochukwu PhD
Volume: 9
Issue: 8
Pages: 394-402
Publication Date: 2025/08/28
Abstract:
This paper investigated effects of inadequate use of graphics and digital graphics in public higher educational institutions in Nigeria. Descriptive research survey design was adopted for this study. Imo State University Owerri is among the universities in Nigeria therefore, Imo State University is chosen to represent entire universities in Nigeria. Two research questions and two hypotheses guided this study. Population of this study is 7,000 which comprised 4,500 males and 2,500 female students in Imo State University Owerri. Stratified random sampling technique was used to select 34 male andfemale students each in life science education and business administration. In the same vein, 23 male and female students were selected each in department of health science and economics, which gave a total sample size of 114 students selected as sample size. Researcher developed questionnaire titled "effects of inadequate use of graphics and digital graphics in public higher educational institutions in Nigeria" was used, with four rating scales of strongly agree, agree, dis agree and strongly disagree. The instrument was validated by two specialists in Business Education, Madonna University Nigeria, Okija campus, Anambra State. Cronbach alpha statistics was used to determine the reliability coefficient of this study at 0.78 and 0.97, which shows that the instrument was reliable for use in this study. The instrument was administered to students with the help of two research assistants. Student's responses were collected and analyzed using mean and standard deviation. Chi Square -test of independent was used to test the hypotheses. Findings of from this study revealed that students' performance in quiz and examinations were very poor due to inadequate use of graphics and digital graphics in delivery of instructional contents by lecturers. The findings also revealed that inadequate power supply, instructional materials such as drawing boards, pens, pencils, workbook, lap tops, internet facilities were among the constraints hindering the use of graphics and digital graphic soft wares during teaching and learning in Imo State University Owerri. It was recommended from this study that government should provide adequate instructional materials for teaching and learning in Imo State University Owerri. It was also, recommended in this study that adequate power supply should be provided in Imo state University Owerri. This would enable lecturer's make use of graphics and digital graphics for effective teaching and learning in Imo State University Owerri.