Faith Celeste B. Ole


The study aimed to find out the effect of a developed laboratory manual in Physics on the conceptual understanding of Industrial Technology students. A pretest-posttest matched group design with experimental and control groups, consisted of 21 students each that undergone matching procedures were used in the conduct of this study. Descriptive statistics like mean and standard deviations, and t-tests were used to interpret and analyze the data. Cohen’s d effect size measure was also employed in order to measure the practical significance of the instructional material. This effect size can be operationally defined as learning gains due to experimental treatment. Findings suggest that the developed laboratory manual in Physics was found to be effective in enhancing the conceptual understanding of the students during their Physics laboratory class. Thus, this positive result indicates a strong support for a utilization of the learning material for instructional and institutional use.


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laboratory manual in Physics, quasi-experimental design, Cohen’s d, industrial technology students

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DOI: http://dx.doi.org/10.46827/ejes.v7i6.3118


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