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INSTRUCTIONAL MATERIALS AS CORRELATES OF STUDENTS’ ACADEMIC PERFORMANCE IN BIOLOGY IN SENIOR SECONDARY SCHOOLS IN OSUN STATE
Abstract
The study investigated instructional materials as correlates of students’ academic performance in Senior Secondary Schools in Osun State. The sample used for the study consisted of 40 students who were randomly selected from two different secondary schools in Ilesa East Local Government area in Osun State. 20 Students were used for experimental group while the other 20 students were under the control group. Quantitative method was used to collect data by using the research questions and hypotheses formulated for the study. Research instrument used for the study consisted of Biology Achievement Test (BAT). This BAT contained a 50 multiple choice items. A reliability coefficient of 0.82 was obtained for BAT, using Test-retest method. Data collected were analysed by using mean score, standard deviation and T-test distribution. Findings revealed that students taught with instructional materials performed better than those taught without instructional materials. That is the experimental group performed better than the control group (t-calculated value, 3.94 > t-critical value 2.02). It was further revealed that there is no significant difference between pre-test scores and post- test scores of experimental group (t-critical value, 2.02 > t-calvalue-2.79).The post test scores of male and female students taught with instructional materials showed no significant difference between their scores (t-critical value, 2.10 > t-calculated value, 1.33). Based on these findings appropriate recommendations were made.
Index Terms—Academic performance, instructional materials, biology, secondary school students, Osun State.