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Related Experiment Videos

Evaluation of problem-based learning: a lecturer's perspective.

S C Hsu1, G H Ong

  • 1Department of Preventive Dentistry, Faculty of Dentistry, National University of Singapore, 5 Lower Kent Ridge Road, Singapore 119074. pndhsus@leonis.nus.edu.sg

Annals of the Academy of Medicine, Singapore
|October 18, 2001
PubMed
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Dental educators found problem-based learning (PBL) engaging, with lecturers enjoying interactive and self-directed learning. However, concerns remain regarding cost-effectiveness and potential knowledge gaps for students in PBL curriculum.

Area of Science:

  • Dental Education
  • Curriculum Reform
  • Pedagogical Innovation

Background:

  • Rapid advancements in dental knowledge and technology necessitate curriculum reform.
  • The Faculty of Dentistry, National University of Singapore, reformed its curriculum in 1997.
  • Problem-based learning (PBL) was piloted in 1996 for fourth-year dental students.

Purpose of the Study:

  • To evaluate the four-year experience with PBL teaching and learning.
  • To gather insights from lecturers' perspectives on PBL implementation.

Main Methods:

  • A questionnaire survey was administered to 12 participating lecturers.
  • The survey utilized a 17-item, 5-point Likert scale.
  • Statistical analyses included Spearman's correlation, t-test, and Mann-Whitney U test.

Related Experiment Videos

Main Results:

  • Lecturers reported increased learning and enjoyment from PBL's interactive and self-directed nature (P=0.004).
  • Female lecturers expressed more concern about PBL cost-effectiveness than males (P=0.03); senior lecturers felt more fulfilled (P=0.026).
  • Lecturers generally adapted to the facilitator role (P=0.04) and desired more PBL integration, despite concerns about student knowledge gaps and time constraints.

Conclusions:

  • PBL offers significant benefits, including enhanced lecturer engagement and learning.
  • Addressing concerns about cost-effectiveness, student knowledge gaps, and time is crucial for successful PBL implementation.
  • Findings provide guidelines for refining PBL within the dental curriculum.