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How to Construct Effective Case for PBL

This presentation explores the roles of problems in problem-based learning (PBL) and provides guidance on how to write effective learning problems. Topics include problem characteristics, assessment, and the importance of quality and relevance in PBL. The session also includes exercises and discussions to enhance understanding.

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How to Construct Effective Case for PBL

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  1. How to Construct Effective Case for PBL Arnuparp Lekhakula Faculty of Medicine Prince of Songkla University Hat Yai, Songkhla

  2. Scope of Presentation • Roles of problem in PBL • How to write an learning problem • Characteristics of an effective • problem • Assessment of problem • Exercise • Discussion

  3. What is the roles of Problem in PBL?

  4. Factors affecting the Quality of Problem-based Curriculum Relevance Quality of problems Group functioning Tutor performance Skills training Learning resources

  5. Theoretical Model of PBL Schmidt & Gijselaers, 1990 Quality of problem Amount of prior knowledge Facilitator performance Group function Time spent in individual study Interest in subject matter Achievement

  6. What is a Problem/Case? “A series of phenomenon in relation one to the other that demand explanation”

  7. 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

  8. 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

  9. 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

  10. How to write effective learning problem?

  11. PBL Case Development Process • Macro Planning • Dealing with overall curriculum • integration among all contributing • departments • Micro Planning • Writing cases for specific PBL • tutorials

  12. 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

  13. 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?

  14. 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

  15. Problem 1 Problem 2 Problem 3 C O N T E N T C O N T E N T C O N T E N T C O N T E N T C O N T E N T Problem 4 Problem 5 2 3 4 5 1 Outcome

  16. Teachers Students Problems Objectives Learning issues

  17. Justification Criteria for Problem Selection Prevalence Updated and timely Urgency or emergency Intervention Gravity Educative example/prototype Prevention Authentic/Real situation

  18. 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

  19. Presentation of Learning Problems Paper cases Description of phenomena Video (audio) triggers Models or 3D triggers Photographs/pictures Graph/curve Live client interview Simulated client Facilitator role play client

  20. 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

  21. 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 Learning issues What you need to learn in order to solve the problem. Assess what you do not know and what you need to know Learning resources Identify the possible sources of information

  22. Problem Format Consistent format Title and picture Problem pages Tutor guide References and resources List of associated sessions

  23. 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?

  24. What are the characteristics of an effective problem?

  25. 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

  26. Characteristics of PBL Cases (2) • 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

  27. Characteristics of PBL Cases (3) • 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

  28. Problem Emphasis - Early Years Introductory concepts, vocabulary Build knowledge base in basic course elements Integrate knowledge and concepts Apply knowledge base in solving problem Stimulus to professional skills Stimulus to other perspectives

  29. Problem Emphasis - Later Years Revision of core subjects Increased critical appraisal Current literature and practice Increased links to integrated professional practice More complex

  30. 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

  31. Four Common Pitfalls Too many objectives Distant links to objectives Inadequate consultation Too difficult for student level

  32. How to assess the quality of problem?

  33. Evaluating the Problem Objective checklist Student feedback Tutor feedback Review and refinement is usually necessary

  34. Problem Effectiveness in PBL Objectives not identified • Faculty objectives related not to so • much to problems • Objectives broadly defined and • requiring an extensive search • Psychological and social issues

  35. Problem Effectiveness in PBL Unexpected issues • Related to prior knowledge deficiencies • Patient management and medical • intervention • Associated by faculty with additional • curricular activities • Students’ personal interest

  36. Conclusion

  37. Stages in Problem Writing Determine learning outcomes Problem Evaluation Content Selection Problem Implementation Problem Review Problem Selection Writing Problem

  38. “There is an art to develop effective problems for PBL which requires team effort, dedicated time and rigour”

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