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Effect of 7E’s Constructivist Strategy on Performance of Senior Secondary School Physics Students’ in Interaction between Magnetic Field and Current-Carrying Conductor in Rivers State

N. B. Naade, I J. Obunge, T. Adolphus

Abstract


This study investigated the effect of 7E’s constructivist strategy on senior secondary school physics students’ performance in interaction between magnetic field and current-carrying conductor in Rivers State. The study adopted a non-randomized pre-test posttest control group quasi-experimental design. Two hundred and seventy (270) physics students in nine public secondary schools in Gokana local government area formed the population of the study. Fifty-eight (58) physics students in four intact classes selected from two schools constituted the sample for the study. One research question and one hypothesis was posed and formulated respectively to guide the study. The instrument used in data collection was titled “Interaction between Magnetic Field and Current-Carrying Conductor Performance Test’. Face and content validity of the instrument were carried out by experts in physics education and measurement and evaluation. Test-retest and Kuder-richardson-20 methods of reliability were employed. A reliability coefficient of 0.81 and 0.78 respectively were obtained. Item analysis was done to determine the psychometric features of each test item. The research questions were answered using descriptive statistics of mean and standard deviation and the corresponding null hypotheses were tested using Analysis of Covariance at 0.05 level of significance. Results from the study revealed that the mean score of the experimental group was higher than the mean score of the control group. The study also revealed that there was a statistically significant difference between the mean scores of the experimental and the mean scores of the control group. Therefore, it was recommended that teachers should use 7Es constructivist instructional strategy in teaching interaction between magnetic field and current-carrying conductor. Also, students should be engaged in student-centered and active process of learning such as discoveries, hands-on and minds-on activities

Keywords


7Es constructivist instructional strategy; magnetic field; current-carrying conductor; performance

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