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KMID : 0355420100340030444
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Journal of Korean Academy of Oral Health
2010 Volume.34 No. 3 p.444 ~ p.450
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Original Article : Effects of reflective journal in problem based Learning (PBL)
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Jung Young-Ran
Choi Hye-Sook
Chang Kee-Wan
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Abstract
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Objectives: It was carried out in order to suggest basic materials for application to the dental-hygiene education field, which considers adoption of PBL, through verifying effects of PBL according to frequency of reflective journals prepared by learners.
Methods: It was divided into three groups based on the number of preparing reflective journals targeting the second grade for Dept. of Dental Hygiene at 3-year college, prepared finally reflective journal for the definite classification, and then carried out paired t-test and GLM (General Linear Model) targeting the upper group (n=20) and the lower group (n=22).
Results: The general problem-solving ability was shown the significant enhancement according to preparing reflective journal after experiencing PBL. As a result of comparing effects before and after learning by sub-element in each of the problem-solving ability test, the significant result wasn’t indicated in all of sub-elements. As a result of analyzing by dividing the reflective-journal number into upper group and lower group, the significant result was shown between groups in elements for selection of optimal plan (element 3), for establishment and execution in a plan (element 4), and for evaluation (element 5), which are 3 elements among 5 sub-elements. Also, the upper group for these 3 elements was increased the problem-solving ability.
Conclusions: In the group of learners, who prepared lots of reflective journals, the problem-solving ability was indicated to be bullish trend after experiencing PBL. In the group of learners who prepared less was shown bearish trend. There is necessity for inducing learners to write reflective journal frequently to promote the effect of PBL.
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KEYWORD
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dental hygiene education, , problem based Learning, PBL, reflective journal
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