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Comparing PowerPoint and Tutorial Modes of Computer-Assisted Instruction for Students’ Achievement and Retention in Basic Science: Implications for Edtech Entrepreneurs

Chinecherem Faith Eze, Favour Kelechukwu Amaechi, Bianca Uzoamaka Mbonu-Adigwe, Benson Chukwunonso Ezeanyi, Fumnanya Onyeka Iniodu, Uchenna Emmanuel Orimba

Abstract

This study compared PowerPoint and Tutorial modes of computer-assisted instruction for students’ achievement and retention in Basic Science, with gender examined as an additional factor. A quasi-experimental, pre-test–post-test non-equivalent group design was adopted. The population comprised 2,437 Junior Secondary School II (JSS II) Basic Science students in public secondary schools in Nsukka Local Government Area of Enugu State, Nigeria. A sample of 81 students from two co-educational secondary schools participated in the study, comprising 44 students in the PowerPoint group and 37 in the Tutorial group. Data were collected using a researcher-developed Basic Science Achievement Test , which was validated by experts and yielded a Kuder–Richardson 20 reliability coefficient of 0.76. Mean and standard deviation were used to answer the research questions, while Analysis of Covariance was used to test the hypotheses at the 0.05 level of significance. The results showed that instructional mode did not significantly affect students’ achievement, F(1, 76) = 2.291, p = .134, ηp2 = .029, or retention, F(1, 76) = 0.967, p = .328, ηp2 = .013. Gender also did not significantly affect achievement, F(1, 76) = 0.887, p = .349, ηp2 = .012, or retention, F(1, 76) = 0.755, p = .388, ηp2 = .010. Furthermore, no significant interaction effect was found between instructional mode and gender on achievement, F(1, 76) = 0.067, p = .797, ηp2 = .001, or retention, F(1, 76) = 0.153, p = .697, ηp2 = .002. The findings suggest that PowerPoint and Tutorial modes of CAI are both viable approaches for supporting students’ achievement and retention in Basic Science, with neither demonstrating a statistically significant advantage over the other.

Keywords

Computer-assisted instructionPowerPointTutorialAchievementRetentionGenderBasic ScienceEdTech entrepreneurs

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