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PROBLEM-BASED LEARNING: WHAT, WHY, HOW by Hla Yee Yee
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PBL Workshop-DSMA The Great Didactic of Comenius “Let the main objective be as follows: to seek and find a method of instruction by which the teachers may teach less, but learners may learn more” -Comenius Johan Amos (1592 – 1670) Although given the name some 30 years ago, it is not a new idea…. 25th & 26th January 2012
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PBL Workshop-DSMA WHAT?
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A welcome “innovative” curriculum A useful teaching/ learning tool EXCELLENT!!! GOOD!. BUT …do we all mean the same thing by “PBL”? 25th & 26th January 2012PBL Workshop-DSMA
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25th & 26th January 2012PBL Workshop-DSMA “(my) PBL is merely a species in a genus for which there are many species and subspecies”- Barrows, 1984 It is both a method and a curriculum-Maudsley, 1999 It is a recycled idea..with an identity crisis (Norman & Schmidt, 1992) ? Some FAQs…..
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PBL Workshop-DSMA Is PBL = Problem-solving? 25th & 26th January 2012 Problem-solving Problem!
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25th & 26th January 2012PBL Workshop-DSMA KNOWLEDGE ACQUIRED IDENTIFY THINGS TO LEARN SOLVE PROBLEM PROBLEM ACQUIRE KNOWLEDGE But learners already have some prior knowledge, so there is some element of problem-solving in PBL
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25th & 26th January 2012 PBL Workshop-DSMA CBL (Case-based Learning) Full information given about a CASE ( patient notes in the case of a medical school) Does not allow much lateral thinking (D/D redundant because the final diagnosis is very obvious) Learning Objectives (LO) given to learner May be categorised as “Directed Self-learning” (DSL) PBL triggers used by many schools are really CBL and do not promote SDL Guided enquiry Is PBL =CBL & TBL? PBL Minimal information given (sequential release of information) Promotes lateral thinking Learners decide on the Los True self-directed learning (SDL) Open enquiry
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25th & 26th January 2012PBL Workshop-DSMA TBL (Task -based Learning) Used in clinical years CLE (clinical learning experience) Revolves around a TASK A set of tasks is identified as the final outcomes of the course [117 tasks identified in IMU e.g. fever, vomiting, sudden collapse, fits etc] Problem-solving Hidden curriculum addressed i.e. communication skills, ethics and professionalism etc Is PBL = TBL? PBL More appropriate for preclinical years Revolves around a PROBLEM and underpins a CONCEPT (some call this “Concept-based learning”(CBL) Integration of disciplines No one correct answer (may not even have answers) Some element of problem solving embedded Hidden curriculum addressed Self-directed learning
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25th & 26th January 2012PBL Workshop-DSMA Traditional (TCL) Sage-on-the Stage Lecture-based Learner in PASSIVE role RULE followed by EXAMPLE Does not encourage SDL Rote-learning Exam-oriented How is PBL different from “Traditional ”? PBL Guide-by-the Side Problem –based Learner in ACTIVE role EXAMPLE followed by RULE [Evans et al. 1960] Self-directed learning (SDL) Product- Life-long learners Improved communication skills Positive team -work attitudes Decision-making skills
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YES!!!! Mac Master, Maastricht, NSW NO!!!-Many newcomers YES, BUT…. (most schools) 25th & 26th January 2012 PBL Workshop-DSMA
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Cognitive outcomes- written and clinical examinations- differences are small; and do not necessarily favour PBL Non-cognitive domains (attitudes, interpersonal skills, affective outcomes)- substantial advantages for PBL Self-directed learning, long-term outcomes- weak evidence in favour of PBL PBL Traditional Geoff Norman, McMaster University Medical School (AMEE Conference, Lisbon 2002) 25th & 26th January 2012PBL Workshop-DSMA
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25th & 26th January 2012PBL Workshop-DSMA DISCOVERY LEARNING: students tackle a problem by sharing prior knowledge with their peers and discovering new perspectives without reference to external sources - Schmidt, 1984 Is PBL = Discovery Learning?
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25th & 26th January 2012PBL Workshop-DSMA WHY?
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25th & 26th January 2012 PBL Workshop-DSMA Curriculomegaly [ Any medical curriculum will atrophy-Abrahamson, 1978 ] Coveritis (Guilbert, 1995) Curriculopathy KNOWLEDGE EXPLOSION!
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25th & 26th January 2012PBL Workshop-DSMA Coveritis Content overloading Drowning of relevant content Trying to keep up with the curriculum is like trying to drink from a fire hose- Nierenberg,1984 “More or less belief or propensity, conscious or unconscious, held by a teacher (or a student) leading to the overwhelming desire to cover a teaching subject exhaustively or comprehensively during an academic course”- Guilbert, 1995
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25th & 26th January 2012PBL Workshop-DSMA Curriculomegaly & Coveritis Students say: “I have so much to remember, I have no time to learn” - Dornhorst, 1981
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25th & 26th January 2012 PBL Workshop-DSMA Curriculomegaly Curriculomegaly Knowledge explosion Technical advances Medical programme still 5 years! -Dornhost, 1981
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25th & 26th January 2012PBL Workshop-DSMA Asked what was covered in a lecture, a Prof of Pharmacology proudly replies: – “Go through Goodman and Gilman’s ; I covered all the details there” What does this professor suffer from?
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25th & 26th January 2012PBL Workshop-DSMA HOW?
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25th & 26th January 2012PBL Workshop-DSMA Problem-based learning (PBL) The process of active learning individually or in a small group Learning process is stimulated by a clinical, community or scientific problem or task (PBL TRIGGER)
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25th & 26th January 2012PBL Workshop-DSMA EXAMPLE OF A TRIGGER A 10 - year old boy developed diarrhoea and vomiting after eating a mushroom dish. His blood pressure was 70/ 40 mm Hg. His skin was cold and clammy, and he had tachycardia. His respiration was 30/min. This type ( paper- based) is most commonly used, but other forms e.g. video clip, picture, newspaper cutting, FB discussions may be used just as effectively; and may even be more interesting.
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PBL 1 PBL 2 Independent learning and research 25th & 26th January 2012PBL Workshop-DSMA
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PBL Trigger Students 2.. Identify difficult words 3. Identify key words* 4. Brain storm and discuss 5. Generate Learning issues 1.Select Leader LEAD Rapporteur Facilitator 1. Select PBL 1 Facilitator to intervene (if and when necessary) *key phrase/ “anchor statements” 25th & 26th January 2012PBL Workshop-DSMA WRITE ON BOARD
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Leader to lead discussion PBL 2 Leaning issues Clarification Discussion New learning issues may be identified Leader to summarise Facilitator to intervene appropriately to stimulate discussion 25th & 26th January 2012PBL Workshop-DSMA
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25th & 26th January 2012PBL Workshop-DSMA Philosophy of PBL Teaching learners how to learn Anybody who has been taught WHAT to learn has been prepared for the present – which soon will become the past; Anybody who has been taught HOW to learn has also been prepared for the future - Cyril & Houle
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25th & 26th January 2012PBL Workshop-DSMA Remember! The Facilitator is not necessarily the content expert does not provide information related to content Encourages learners to think & reason intervenes as appropriate to stimulate discussion
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25th & 26th January 2012PBL Workshop-DSMA “The key to managing a PBL session is providing continual feedback to maintain student enthusiasm while simultaneously prolonging the resolution of the problem to ensure that adequate learning occurs” http://www.saltspring.com/capewest/pbl.htm …a useful tip….
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PBL Workshop-DSMA25th & 26th January 2012
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PBL Workshop-DSMA
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