Development of Scientific Problem-Solving Ability of Eighth-Grade Student Using Online Problem-Based Learning
Keywords:
Problem-based learning, Scientific problem-solving ability, Global and natural resources, Secondary school students, Online learningAbstract
The purposes of this research were 1) to study the scientific problem–solving ability of eighth-grade students using online problem–based learning on the topic of Global and natural resources and 2) to compare the 8th-grade students' mean scores in scientific problem-solving ability before and after using online problem-based learning at a school in Samutprakarn province selected by the purposive selection method. The research instruments consisted of lesson plans and a scientific problem-solving ability test. The data were analyzed using descriptive statistics including percentage, mean, and standard deviation. The results found that 1) The students’ scientific problem–solving ability mean score after learning equaled 15.06 (SD = 3.01). Students gained the highest mean score in Identifying the problem (M = 4.03, SD = 0.81), followed by Analyzing the cause of the problem (M = 3.83, SD =0.59), Verifying the solution (M = 3.70, SD = 0.75), and Proposing problem-solving method and formulating a hypothesis (M = 3.50, SD = 0.86), respectively. 2) The students' scientific problem–solving ability mean score after learning (M = 15.06, SD = 3.01) was higher than before learning (M = 11.10, SD = 4.65) at the .05 level of statistical significance (t = 6.318, p = .000) and was at a high level.
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