the university of nottingham problem based learning dr reg dennick assistant director of medical...

The University of Nottingham

Problem Based Learning

Dr Reg DennickAssistant Director of Medical Education



What do you already know/not know about PBL?

• Discuss with a partner.


Learning Objectives

• Explain the educational rationale for PBL

• Describe the ‘seven-step’ PBL process

• Participate/Observe in a partial PBL session

• Critically evaluate the evidence for the effectiveness of PBL


Traditional PBL?


ANCIENT MEDICAL ‘THEORY’LATIN

&GREEK

HIPPOCRATESARISTOTLE

GALEN


GRAMMAR, PUBLIC SCHOOLS & UNIVERSITIES

Dominated by

Latin & Greek

Ancient history and philosophy

Theology

MEDICINE

Entry needed Latin (Greek)

All anatomical nomenclature in Latin/Greek


Entry into medicine had a language and theory barrier going back to an ancient view of education. (Higher education was for an elite class using a ‘secret’ language?)

Even with rise of ‘scientific medicine’ in 19th C the traditional medical curriculum had a Theory/Practice split and the requirement for Latin was not dropped till 1950s in UK


Theory & Practice• In education there has been a

historical split between theory and practice

• Theory has to be learned first before dealing with practice.

• PBL turns this split on its head.• Problems deriving from practice are

used as triggers to acquire theoretical knowledge


PBL: definition

The learning which results from the process of working towards the understanding of, or resolution of, a problem

(Barrow & Tamblyn 1980)


“The most powerful learning occurs when the student is dealing with uncertainty.”

John Dewey

Problems

Cognitive

dissonance

(Festinger)

Dis-equilibration

(Piaget)Paradigm shifts(Kuhn)


Problem Based Learning

A strategy for learning where small groups of six to eight students work in a series of tutorials discussing problems provided by the Faculty related to their course.


Content• The Scenario• The Problem• The Context• The Knowledge• The Skills• The Attitudes

Process• Talking• Dialogue• Questioning• Hypothesising• Collaboration• Activity• Communication skills• Interpersonal skills

PBL is a type of Small Group Teaching activity


PBLstudents engage in a collaborative activity that:

– makes them think– makes them ask questions– activates prior knowledge– tests their understanding– elaborates new knowledge– reinforces their understanding by speaking– provides motivation for learning– makes them practise a logical, analytical approach

to unfamiliar situations– Involves

learning in contextintegrated learningcollaboration


PBL fulfils the conditions for effective

adult learning• Relevant context• Adults are self-motivated• Adults learn best in groups• Adults prefer ‘doing’ to being told• Active learning through posing own questions and

finding own answers: therefore student centred• Integrated learning: learning in a variety of

disciplines simultaneously• Deep learning for understanding; metacognition;

reflection; appropriate feedback; opportunities for practice


Where does it come from?• Celstin Freinet (1896-1966)• McMaster Medical School (Hamilton,

Ontario) 1969• University of Maastricht (1974)• Manchester (1995)• Liverpool etc (1997)• Nottingham (Derby) 2003


How does it work?

• Scenario• Small group• Generate questions• Research questions• Answer questions• Communicate answers


The Maastricht ‘Seven Step’ PBL process

• Step 1: Clarify terms and concepts• Step 2: Define the problem(s)• Step 3: Analyse the problem(s) -

”Brainstorm”• Step 4: List of the analysis and

possible solutions• Step 5: Formulate Learning Objectives• Step 6: Collect additional information

focussed on Learning Objectives• Step 7: Synthesise and present new

information


Ranjit Singh, 46, has just returned from the Indian sub-continent where he visited his brother and family for a period of one month. He lives with his wife, their four children and his parents in a three bedroom terraced house in the Peartree district of Derby. He works as a waiter in a local Indian restaurant. Recently he has started coughing a lot, has little energy, is losing weight and has developed a fever. He visited his GP after he coughed up some blood and developed chest pains. His GP suspects TB and has sent a sputum sample for analysis and Mr Singh for a chest X-ray.

A PBL scenario


Learning Objectives for the PBL scenario

Basic and clinical sciences

•Describe mechanisms and common causes of cough.•Describe types of clinical investigations available for patients with cough. Interpretation of CXR.•Outline the microbiology of mycobacterium tuberculosis.•Describe the immune response to TB, its use in diagnosis and the tuberculin test.•Describe clinical and pathological manifestations of TB. •Outline the drug regimes for treating TB, their mode of action, side effects and the problem of drug resistance.



Community and population

•Describe the epidemiology of TB, the impact of socio-economic factors and its relation to HIV.•Discuss the social and family issues associated with TB in the community.



Patient and Doctor

•Describe how communication problems can be dealt with in ethnic minorities.•Awareness of perception of TB in Asian communities and problems of stigmatisation. •Dealing with issues of confidentiality versus compulsory notification: patient autonomy.•Describe how to ensure compliance with complex and long-term drug regimes.•Persuade family members to be immunised.



Personal and Professional

Development

Doctor as patient: awareness of personal immune status.


PBL: students’ roles

• Work in a group of six to eight• Meet for about an hour and a half

two or three times a week• Analyse, discuss and generate

questions and learning tasks from the scenario

• Engage in self-directed learning• Communicate results back to

group


PBL: role of the facilitator• The facilitator must let the students be

responsible for their learning.• The facilitator must let the students do

the work.• The facilitator has the role of monitoring

and evaluating the discussion. Guidance is given in the form of suggestions.

• The facilitator has background information concerning the case under discussion.

• The facilitator may intervene if the students are not working or if the activity is starting to go in the wrong direction.

• The students may ask the facilitator for advice which can be given according to his or her judgement.


Small group Facilitator styles Kurt Lewin:

Autocratic:facilitator basically controls all the objectives and activities of the group and keeps intervening to ensure they are carried out.

Laissez-faire:allows the group to decide what its objectives are, what activities it is engaged in and has minimal input into the session.

Democratic:collaborates with the group, helping them to agree on a set of objectives and activities and only intervening to keep the group dynamic orientated in a positive direction.


Facilitator StylesJohn Heron: ‘Six dimensions of

facilitation’Facilitators need to be aware of basic issues which can influence the learning process:

Planning Meaning Confronting Feeling StructuringValuing.

These are independent processes that weave through each SGT session.


Heron’s 18 facilitation styles

Planning Meaning Confronting Feeling Structuring Valuing Hierarchy Cooperation Autonomy

Facilitators can move between all these styles during a small group

teaching session.


Heron: the most effective facilitator……

……should value autonomy, co-operation and hierarchy in that order as this recognizes the personal autonomy of group members to self-actualize collaboratively, with the facilitator taking responsibility to achieve group goals.


PBL tutoria

l

lecture/plenary topic

tutorials

practicals

personal study

computer assisted learning

library skills

clinical work

demonstrations

Students engage in a wide variety of learning experiences of which

PBL tutorials are of central importance.


AM Monday

PBL Tutorial (finish of previous week’s

scenario)

PBL Tutorial (New scenario)

Tuesday

Lectures Seminars

Workshops Demonstrations

Wednesday

Early clinical experience: GP,

community & hospital visits

Thursday

PBL Tutorial Additional information

Friday

PPD

Ethics EBM

Longitudinal themes

PPM

Independent learning (including

CAL/NLE, histopathology

museum, anatomy resources)

Clinical and communication

skills

Free time Independent learning

(including CAL/NLE,

histopathology museum, Anatomy resources)

Lectures Seminars

Workshops Demonstrations

A PBL week


A taste of PBL


Problem Based Learning Scenario

(Environmental Studies)

Rolls Royce have revealed that they have a small nuclear reprocessing plant on their premises in a heavily populated area of Derby. It is similar to a plant in Japan where there was a recent accident.


• Step 1: Clarify terms and concepts• Step 2: Define the problem(s)• Step 3: Analyse the problem(s) -

”Brainstorm”• Step 4: List of the analysis and

possible solutions• Step 5: Formulate Learning Objectives• Step 6: Collect additional information

focussed on Learning Objectives• Step 7: Synthesise and present new

information Rolls Royce have revealed that they have a nuclear reprocessing plant on their premises in a heavily populated area of Derby. It is similar to a plant in Japan where there was a recent accident.


Evidence for effectiveness

• We need to know what it is.• What do we mean by effectiveness?• What outcome measures should we

use?


The Evidence

Can you define/describe it? • What sort of an educational process is it? • How does it relate to mainstream

educational theories?• What is the educational rationale?• Is it Constructivist, Student Centred,

Rogerian, Kolbian, Dewian, Post-modern, Confucian?

• Is there a common underlying process?• Is it really Question Based Learning? Problem

solving? Situation based Learning? • How many variants of PBL are there? How

are they related?


Evidence

How effective is it? • What do we mean by effective in

this context?• Can we measure its effectiveness?• How do we measure its

effectiveness?Quantitative or Qualitative or both?

• Can you control all the variables?


EvidenceWhat outcomes can be used to ‘measure’ effectiveness?

• Exam results? • Personal satisfaction? Academic achievement? Clinical

competence? Patient satisfaction?• Knowledge, Skills, Attitudes?• Communication and interpersonal skills?• Life-long learning skills?• Participation in CPD?• Must there be a control or comparative group?• Randomization?• Is the RCT the ‘gold standard’ for educational research?• Is process more important than outcomes?


Summary of evidence• Academic achievement:

– little significant difference• Clinical achievement:

– PBL students have superior clinical skills and communication skills

• Approaches to learning: – PBL students more likely to use deep

rather than surface and more likely to engage in self-directed learning


Summary of Evidence• Graduates of PBL

– More likely to engage in CPD

• Teacher & Student satisfaction– Greater for PBL

• Costs– More expensive with >100 students


Problems with PBL

•Perceptions•Training•Dual tracking•Coverage & ‘holes’ in knowledge•Expert v. non-expert tutors•Resource-intensive•Significant start-up and maintenance costs•Demanding of staff time•Can be stressful for students and staff•Need strong commitment of faculty


My views• It needs to be well defined, organized and integrated

into the curriculum.• Students need to understand what it is; they need to

learn about learning.• For most students it’s a great way to learn and they

love its collaborative and interactive nature.• Students talk to each other for three hours a week

about the subject.• For students and facilitators its very stimulating and

enjoyable: it’s fun!• Graduate PBL students achieve the same knowledge

scores in clinical exams and communicate well in the clinical environment


A student view

“My overall experience of PBL has been a positive one and I would argue that PBL has a lot to offer medical students. PBL not only provided me with a knowledge of the fundamental areas of medicine but also made me aware of my responsibility for my own learning, a crucial element in itself….Working in a group allowed me to develop my interpersonal skills as well as providing a stimulating work environment, which is not always achieved if spent in lectures all day.”


References• Foundations of Problem-based Learning (2004).

Maggi Savin-Baden & Claire Howell Major. Open University Press.

• The challenge of Problem Based Learning (1997). Eds: David Boud and Grahame Feletti. Kogan Page.

• A pilot systematic review and meta-analysis on the effectiveness of Problem Based Learning. (2003) Mark Newman. LTSN-01 report.

(http://www.medev.ac.uk/docs/pbl_report.pdf)


Any final questions?


Learning Objectives

• Explain the educational rationale for PBL

• Describe the ‘seven-step’ PBL process

• Participate/Observe in a partial PBL session

• Critically evaluate the evidence for the effectiveness of PBL

the university of nottingham problem based learning dr reg dennick assistant director of medical...

Documents

university of nottingham

university of nottingham

effectiveness of pbl

latingreek slide

kuhn slide

active learning

powerful learning

theoretical knowledge