Effect of Problem-based Learning on the Biology Summarizing Ability of Eighth-Grade Students of Zhengzhou No.1 Middle School in the People's Republic of China
Abstract
Background and Aims: The impact of Problem-Based Learning (PBL) on biology summarizing ability has far-reaching research significance, and this learning method emphasizes the problem-oriented approach to cultivate students' comprehensive ability and innovative thinking through the processes of problem posing. This experimental research aimed to 1) compare biology summarizing ability before and after learning through Problem-Based Learning.2) To compare biology summarizing ability with the criterion set at 70 percent.3) To assess the student’s satisfaction with Problem-Based Learning.
Materials and Methods: The sample was 30 students from eighth-grade students from Zhengzhou NO.1 Middle School, People's Republic of China. They come from cluster random sampling. Data on students' biology summarizing ability before and after the implementation of the problem-based teaching method were collected through a questionnaire. SPSS software was used to analyze the collected data, including the mean value of samples, standard deviation, and single-sample t-test.
Result: The results showed that 1) the students’ biology summarizing ability after learning through receiving Problem-Based Learning (M=47.43, SD=4.40) was higher than that before learning (M=35, SD =5.18) at a significance level of.01(t29=17.58, p=.001); 2) the students' biology summarizing ability after learning through Problem-Based Learning was higher than the determined criterion of 70% at a significance level of.01(M = 47.43 of full scores, 75, SD = 3.41, t29= 28.63, p=.001) and 3) Students were satisfied with the learning management using the Problem-Based Learning method (M = 4.02, SD = 0.77).
Conclusion: The knowledge gained from this study is that 5-step teaching using the problem-based learning approach can be effective in improving the performance of students on the Biology Summative Aptitude Test, and it stimulates students' interest in learning by Step 1: Extract key information Step 2: Concise expression Step 3: Integrate knowledge Step 4: Summary Step 5: Relational thinking. It develops students' independent learning ability and meets their individual learning needs. This is a new trend in the future of education.
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