Effect of Household Materials on Senior Secondary Schools Students’ Academic Achievement in Chemistry, Osun State: A Comparative Study

The study explores the effect of household materials on senior secondary school students’academic achievement in chemistry in Ayedaade Local Government Area: Osun State: Threehypotheses guided the study at the 0.05 level of significance. A quasi-experimental design wasemployed with a sample size of 74 Senior Secondary II students. Two intact classes (experimentaland control) were used, with 40 students in the experimental group and 34 in the control group.The experimental group was taught using household materials, while the control group was taughtusing the traditional (conventional) laboratory method. Data were collected using a validatedChemistry Achievement Test (CAT) with a reliability coefficient of KR-20 = 0.84 and analyzedusing Analysis of Covariance (ANCOVA). The findings revealed that household materialssignificantly improved students’ academic achievement compared to conventional laboratorymethods, F(1, 71) = 130.09, p < 0.001, η² = .647 while gender had no significant main effect, F(1, 71)= 0.115, p = .735, η² = 0.002, and no significant interaction effect between gender and instructionalstrategy was observed, F(1, 69) = 2.33, p = 0.132, η² = 0.033. The study concludes that the utilizationof household materials constitutes a cost-effective and pedagogically inclusive intervention thatsignificantly enhances students’ achievement in chemistry, irrespective of gender. It recommendstheir systematic integration in resource-constrained schools as a means of addressing laboratoryinadequacies and promoting equitable access to effective science instruction.