Abstract
Traditional lecture-based learning (LBL) can increase cancer awareness in undergraduates. However, because of the rapidly changing knowledge base in medicine, undergraduates must develop skills required for lifelong self-directed learning (SDL). Problem-based learning (PBL) has been suggested as an SDL approach. This study used a nonequivalent control group with a pretest-posttest design for comparing PBL and LBL for their effectiveness in increasing cancer awareness and SDL among nonmedicine or nonnursing major undergraduates in a health-related general education course. Experimental groups 1 and 2 were instructed using PBL while the control group was instructed using LBL. Cancer educational programs were offered to experimental group 1 and the control group but not to experimental group 2. Among the 325 undergraduates who completed a questionnaire regarding cancer awareness and SDL in the pretest, 223 completed the 12-week follow-up survey of the posttest. Cancer awareness significantly improved between the pretest and posttest in the control group (P < 0.001). No significant difference in cancer awareness improvement was observed between experimental group 1 and the control group (P = 0.934). Cancer awareness improvement in experimental group 2 was significantly less than in the control group (P = 0.010). No statistically significant change in SDL was observed in the control group during the study (P = 0.897). However, the SDL of experimental groups 1 and 2 improved more significantly than that of the control group (P = 0.049 and 0.023, respectively). Therefore, PBL is an effective method of increasing cancer awareness and SDL in undergraduates.
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Acknowledgments
The author is grateful to the undergraduate students who completed the questionnaires for the research. The author thanks the reviewers for their insightful comments and suggestions on the earlier version of this paper.
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This work was supported by the National Science Council of Taiwan [grant number NSC 101-2511-S-130-002-]. The funding authorities did not participate in data collection, analysis, interpretation, or writing of the manuscript.
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Appendix A
Appendix A
Two examples of PBL cases for cancer (translated from traditional Chinese)
PBL case 1
Every day after school, an eighth grade student ate a grilled sausage purchased from a street vendor, as he usually did since second grade. One day, he had severe abdominal pain, prompting his family to take him to the hospital immediately. Although he had no family history of cancer, tests revealed a large tumor in the large intestine that had spread. He died 4 months after surgery. The doctor indicated that the number of patients aged 20–30 years with advanced bowel cancer has risen. The common habits of such young bowel cancer patients are eating an abundance of grilled foods, high-fat fast foods, and red meat.
PBL case 2
One day, Jean heard from her grandmother that she felt dizzy while doing laundry on the balcony; therefore the family immediately took grandma to the nearest hospital. The doctor said that Jean’s grandma had hypochromia, according to a blood test. Additional examinations revealed a tumor causing internal bleeding in the large intestine, indicating stage III colon cancer. Jean was shocked that her grandmother had had bloody stool for years, thinking that it was caused by hemorrhoids. The doctor discussed the following treatment options with Jean’s family: 1. Surgery to remove the part of the colon containing the tumor and fit a colostomy bag and administer chemotherapy. 2. Chemotherapy drugs. 3. Hospice care. Considering that grandma was already 83-year-old and she had undergone other surgeries earlier, the family decided to opt for chemotherapy drugs, which cause fewer side effects. During the therapy, hair loss, vomiting, and dementia were observed. Jean’s mother stopped working to take care of grandma. Grandma’s health condition worsened and she had jelly-like bloody stools, and she required assistance to get up. Jean’s mom was exhausted because she had to look after grandma all day and could not sleep well at night. Therefore, the family decided to hire a nursing assistant. Ultimately, grandma was becoming extremely weak, and the family could not bear to watch her suffer from the chemotherapy anymore; therefore, they accepted hospice care. In the last days of grandma’s life, the family went to the hospital almost every day and even slept beside her hospital bed.
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What are the problems in the above cases?
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Generate your own learning issues while discussing the cases and problems with your team members.
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Hwang, LL. Educational Intervention on Undergraduate Cancer Awareness and Self-Directed Learning. J Canc Educ 33, 592–601 (2018). https://doi.org/10.1007/s13187-017-1210-y
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DOI: https://doi.org/10.1007/s13187-017-1210-y