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How to Construct Effective Case for PBL
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Transcript of How to Construct Effective Case for PBL
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How to Construct Effective Case for PBL
Arnuparp LekhakulaFaculty of Medicine
Prince of Songkla UniversityHat Yai, Songkhla
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Scope of Presentation
• Roles of problem in PBL• How to write an learning problem• Characteristics of an effective problem• Assessment of problem• Exercise• Discussion
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What is the roles of Problem in PBL?
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Factors affecting the Qualityof Problem-based Curriculum
RelevanceQuality of problemsGroup functioningTutor performanceSkills trainingLearning resources
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Theoretical Model of PBL Schmidt & Gijselaers, 1990
Amount ofprior knowledge
Facilitatorperformance
Quality ofproblem
Group function
Interest insubject matter
Achievement
Time spent inindividual study
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What is a Problem/Case?
“A series of phenomenon in relation one to the other that demand explanation”
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Use of Learning Problems• Stimulus for learning and acquiring new knowledge• Learning problems provide a structure for organizing learning which allows students to discover :
what they know what they don’t know what they need to know
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Use of Learning Problems
• Focal for organizing new knowledge• Provide space for inquiry and discovery with no single correct answer• Develop students to be real work ready via authentic learning environment• Develop students to be change ready via reasoning, problem solving, self- directed learning and team skills
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Each Problem is Multidimensional...
• Create a knowledge base rich in connections• Integrate important knowledge in a professional context close to actual conditions for use• Encourage elaboration of prior knowledge• Wider perspectives
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How to write effectivelearning problem?
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PBL Case Development Process
• Macro Planning Dealing with overall curriculum integration among all contributing departments• Micro Planning Writing cases for specific PBL tutorials
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Macro Planning Steps• Appoint a steering committee• Designate a ‘gold standard’ content outlines as the reference point• Design a comprehensive blueprint which ‘maps’ the entire PBL curriculum• Appoint interdisciplinary planning teams• Designate learning issues• Write cases• Create within-phase and between-phase case review teams to provide feedback
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Problem Framework
• When in the unit sequence should the problem be presented?• What is the level of the students?• How much time will be allowed for independent study?• What concepts should the student discover?• What would be the most appropriate and stimulating format for the problem?
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Micro Planning - Case Writing (1)
• Identify the curricular phase in which the case will appear• Choose a central idea, concept and principle Formulate the objectives to be achieved by students• Identify priority problems or situations Think of the real world context for the concept
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Outcome1 2 3 4 5
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Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
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StudentsTeachers
Objectives Learning issues
Problems
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Essential Values of PBL and Implication on Designing Problem
Values Implication
Constructivism Builds on prior knowledge
Meta-cognitivism Engages inquiry learning and deep thinking
Authenticity Presented in the same format as in the work place
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Essential Values of PBL and Implication on Designing Problem
Values Implication
Integrated knowledge Cut across disciplinesbase Student-centered Develops self-directedLearning learning skillsLearning in small Complex enough to groups enable students to
work in collaboration with one another
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Justification Criteria for Problem Selection
PrevalenceUpdated and timelyUrgency or emergencyInterventionGravityEducative example/prototypePreventionAuthentic/Real situation
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Micro Planning - Case Writing (2)
• Further details sub-topics if necessary• Designate context issue• Assemble and master checklist of the learning objectives (LO) identified• Rough outline a scenario in which the designates LO’s can be embedded• Choose the presentation of problem
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Presentation of Learning Problems
Paper cases Description of phenomenaVideo (audio) triggersModels or 3D triggersPhotographs/picturesGraph/curveLive client interviewSimulated clientFacilitator role play client
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Micro Planning - Case Writing (3)
• As you write the case, specify which LO’s are embedded in each page• Circulate the completed case to reviewers in appropriate disciplines • If feasible, try-out the case with students• Prepare a detailed tutor guide that will allow someone other than yourself to conduct the tutorial• Identify resources
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Problem Worksheet
Facts
List facts from the given cases
to support your ideas
Ideas
Possible ideas that you can
generate List as many
as you can
Learningissues
What you need to learn
in order to solve the
problem. Assess what
you do not know and what you need to know
Learningresources
Identify thepossible
sources ofinformation
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Problem Format
Consistent formatTitle and pictureProblem pagesTutor guideReferences and resourcesList of associated sessions
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Checklist - Does the problem…...
• allow the students to problem solve or reason in order to deal successfully within the problems?• fit at the right level and sequence?• allow sufficient time to think?• have a steady pace through the objectives?• have the appropriate resources?• need more expert consultation?• have the best format/presentation style?
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What are the characteristics of an effective problem?
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Characteristics of PBL Cases
• Relevant, realistic, logical
• An appropriate level of complexity
• Mirror real work demands and relevant to the course of study
• Multi-disciplinary
• Refer to previous knowledge
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• Lead to the discovery of all concepts
• Enough issues for analysis and in-depth study
• Motivating and interesting
• Updated and timely
• Enough time available to study issues
Characteristics of PBL Cases (2)
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• Well written, clear and concise
• Normal reference values are included
• Not too many distractors or red herrings
• Avoid overlap with other sessions
• Confine second session to discussion and wrap-up - no new issues
Characteristics of PBL Cases (3)
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Problem Emphasis - Early Years
Introductory concepts, vocabularyBuild knowledge base in basic courseelementsIntegrate knowledge and conceptsApply knowledge base in solving problemStimulus to professional skillsStimulus to other perspectives
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Problem Emphasis - Later Years
Revision of core subjectsIncreased critical appraisal Current literature and practiceIncreased links to integrated professionalpracticeMore complex
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7 Principles of Effective Case Design
• Adapt well to students’ prior knowledge• Stimulate students to elaborate• Relevant context• Integration of knowledge• Stimulate self-directed learning• Enhance students’ interest in the subject matter• Match the faculty objectives
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Four Common Pitfalls
Too many objectives
Distant links to objectives
Inadequate consultation
Too difficult for student level
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How to assess the quality of problem?
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Evaluating the Problem
Objective checklist
Student feedback
Tutor feedback
Review and refinement is usuallynecessary
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Problem Effectiveness in PBLObjectives not identified
• Faculty objectives related not to so much to problems
• Objectives broadly defined and requiring an extensive search
• Psychological and social issues
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Problem Effectiveness in PBLUnexpected issues
• Related to prior knowledge deficiencies
• Patient management and medical intervention
• Associated by faculty with additional curricular activities
• Students’ personal interest
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Conclusion
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Determine learning outcomes
ContentSelection
ProblemSelection
WritingProblem
ProblemReview
ProblemImplementation
ProblemEvaluation
Stages in Problem Writing
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“There is an art to develop effectiveproblems for PBL which requires team effort, dedicated time andrigour”