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Effect Of Mastery Learning Strategy On Students' Learning Outcomes In Senior Secondary School Biology In Lagos State, Kassim O. Ajayi Prof, Fausat A. Adenaike Prof, Modupe O. Salomi Dr, Kehinde S. Momodu Mrs

Essays in Education

The study is a pre-test, post-test control group randomized quasi–experimental research design. The population comprised all SSII Biology Students in Lagos Education District II, with two intact classes of 60 students from two selected public secondary schools. Four instruments were used namely; Mastery Learning Strategy Instructional Aid, Conventional Teaching Strategy Instructional Aid, Biology Achievement Test (r = 0.77) and Biology Attitude Scale (r = 0.82). Six null hypotheses were tested using Analysis of Covariance (ANCOVA). Findings showed significant main effect of treatment on achievement (F _{(1, 59) =} 2399.983, P (.000) < .05), no significant main effect of gender on achievement (F _{(1, 59) =} 1.677, P (.201) > .05) and no …