INSTRUCTIONAL DESIGN AND ASSESSMENT
Prospective Measurement of a Problem-Based Learning Course Sequence
Objective. To measure the effect, over time, of a 2-year problem-based learning (PBL) sequence on the
skills, knowledge, and abilities it was designed to develop and enhance.
Design. At the start of each PBL semester, students were provided a “work sample” case with a main
medical issue not previously covered in the curriculum. A standardized form containing 6 sections
(hypotheses, learning issues to investigate, how hypotheses ruled in/out, primary-problem identification,
plan, and goals of plan) was completed for each case. To rate student performance, investigators
used a standardized form with 5-point Likert scale.
Assessment. Sixty-seven students who completed 4 assessments were included in data analyses. Scores
significantly improved for each semester compared with baseline. Minimal significant differences were
observed among semesters 2, 3, and 4.
Conclusion. The 2-year PBL sequence improved students’ performance compared with baseline, but
the performance ceiling observed in our study requires further investigation.
INSTRUCTIONAL DESIGN AND ASSESSMENTProspective Measurement of a Problem-Based Learning Course SequenceObjective. To measure the effect, over time, of a 2-year problem-based learning (PBL) sequence on theskills, knowledge, and abilities it was designed to develop and enhance.Design. At the start of each PBL semester, students were provided a “work sample” case with a mainmedical issue not previously covered in the curriculum. A standardized form containing 6 sections(hypotheses, learning issues to investigate, how hypotheses ruled in/out, primary-problem identification,plan, and goals of plan) was completed for each case. To rate student performance, investigatorsused a standardized form with 5-point Likert scale.Assessment. Sixty-seven students who completed 4 assessments were included in data analyses. Scoressignificantly improved for each semester compared with baseline. Minimal significant differences wereobserved among semesters 2, 3, and 4.Conclusion. The 2-year PBL sequence improved students’ performance compared with baseline, butthe performance ceiling observed in our study requires further investigation.
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