EFFECTS OF IMPROVISED AND STANDARD INSTRUCTIONAL MATERIALS ON ACHIEVEMENT IN SOCIAL STUDIES IN NASARAWA-EGGON, NASARAWA STATE, NIGERIA
This study examined the effects of improvised and standard instructional materials on students’ achievement in Social Studies in Nasarawa-Eggon Local Government Area of Nasarawa State, Nigeria. The study was guided by two research questions and two null hypotheses. A quasi-experimental, non-randomised pretest–posttest–...