Abstract
The study determined the effects of multi-mediated instructional video on students’ performance in Physics practical and also assessed the effects of the instructional video on students’ retention ability. The study adopted pre-test, post-test, control group quasi experimental design. All the 31,917 Physics students in Osun State secondary schools were the population. Seventy nine SS II students were selected using multistage sampling technique. The students were randomly assigned into experimental and control groups. Students in the experimental group were exposed to the multi-mediated videos while the placebo were taught using the traditional method. Analysis of data showed that multi-mediated video enhanced students’ performance in Physics practical (t 77 = 3.54; p < 0.05). The students also retained what was learnt (t 76 = 0.87; p > 0.05). The study concluded that multi-mediated videos are effective in the teaching of Physics practical in secondary schools and also that students retained what was learnt. Keywords: Multi-mediated videos, Retention ability, Physics Practical, Secondary school students DOI: 10.7176/JEP/13-8-06 Publication date: March 31 st 2022
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