confessions of a converted lecturer -...
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![Page 1: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/1.jpg)
Confessions of a converted lecturer
HHMI Education Group SeminarMIT Broad InstituteCambridge, MA, 13 October 2011
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My message
shift focus from “teaching” to helping students learn
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Outline
• Education
![Page 4: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/4.jpg)
Outline
• Education
• Peer Instruction
![Page 5: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/5.jpg)
Outline
• Education
• Peer Instruction
• Results
![Page 6: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/6.jpg)
Education
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Education
lectures focus on delivery of information
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Education
education is not just information transfer
25
20
15
10
5
0252015
score
1050
cou
nt
1990FCI pretest
![Page 9: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/9.jpg)
Education
education is not just information transfer
25
20
15
10
5
0252015
score
1050
cou
nt
1990FCI posttest
![Page 10: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/10.jpg)
Education
education is not just information transfer
25
20
15
10
5
0252015
score
1050
cou
nt
1990combined
![Page 11: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/11.jpg)
Education
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
1990combined
![Page 12: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/12.jpg)
Education
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
1990combined
![Page 13: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/13.jpg)
Education
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
perfect score
![Page 14: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/14.jpg)
Education
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
perfect score
R.R. Hake, Am. J. Phys. 66, 64 (1998)
![Page 15: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/15.jpg)
Education
only one quarter of maximum gain realized
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
perfect score
1.00
0.23
g = Sf – Si1 – Si
R.R. Hake, Am. J. Phys. 66, 64 (1998)
![Page 16: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/16.jpg)
Education
not transfer but assimilation of information is key
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Education
conventional problems misleading
12 V
8 V
4
2
6
QP
H
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Education
conventional problems misleading
12 V
8 V
4
2
6
QP
H
Calculate:
(a) current in 2-W resistor
(b) potential difference
between P and Q
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Education
are the basic principles understood?
S
AB
C
H
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Education
are the basic principles understood?
S
AB
C
H
When S is closed, what happens to:
(a) intensities of A and B?
(b) intensity of C?
(c) current through battery?
(d) potential difference across
A, B, and C?
(e) the total power dissipated?
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Education
00
20
40
60
80
2 4 6 8 10score
coun
t
00
20
40
60
80
2 4 6 8 10score
coun
tconventional conceptual
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Education
00
20
40
60
80
2 4 6 8 10score
average 4.9average 6.9
coun
t
00
20
40
60
80
2 4 6 8 10score
coun
tconventional conceptual
![Page 23: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/23.jpg)
Education
100
80
60
40
20conc
eptu
al p
robl
em
100806040200
conventional problem
0
![Page 24: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/24.jpg)
Education
100
80
60
40
20conc
eptu
al p
robl
em
100806040200
conventional problem
0
9%
52%
39%
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So what should we do?
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Peer Instruction
Give students more responsibility for gathering information…
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Peer Instruction
Give students more responsibility for gathering information…
so we can better help them assimilate it.
![Page 28: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/28.jpg)
Peer Instruction
Main features:
• pre-class reading
• in-class: depth, not ‘coverage’
• ConcepTests
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Peer Instruction
ConcepTest:
1. Question
2. Thinking
3. Individual answer
4. Peer discussion
5. Revised/Group answer
6. Explanation
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Results
is it any good?
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Results
first year of implementing PI
25
20
15
10
5
0252015
score
1050
cou
nt
1991FCI pretest
![Page 33: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/33.jpg)
Results
first year of implementing PI
25
20
15
10
5
0252015
score
1050
cou
nt
1991FCI posttest
![Page 34: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/34.jpg)
Results
first year of implementing PI
25
20
15
10
5
0252015
score
1050
cou
nt
1991combined
![Page 35: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/35.jpg)
Results
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
perfect score
1.00
0.23
g = Sf – Si1 – Si
![Page 36: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/36.jpg)
Results
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
perfect score
1.00
0.23
g = Sf – Si1 – Si
![Page 37: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/37.jpg)
Results
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
perfect score
1.00
0.23
g = Sf – Si1 – Si
R.R. Hake, Am. J. Phys. 66, 64 (1998)
![Page 38: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/38.jpg)
Results
100
80
60
40
20
chan
ge in
sco
re, S
f – S
i (%
)
100806040200
initial score, Si (%)
0
perfect score
1.00
0.23
g = Sf – Si1 – Si
0.48
R.R. Hake, Am. J. Phys. 66, 64 (1998)
![Page 39: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/39.jpg)
Results
what about problem solving?
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Results
25
20
15
10
5
01008060
exam score (%)
40200
cou
nt
1985exam scores
![Page 41: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/41.jpg)
Results
25
20
15
10
5
01008060
exam score (%)
40200
cou
nt
1991exam scores
![Page 42: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/42.jpg)
Results
25
20
15
10
5
01008060
exam score (%)
40200
cou
nt
1985/91exam scores
![Page 43: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/43.jpg)
Summary
So better understanding leads to better
problem solving!
![Page 44: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/44.jpg)
Summary
So better understanding leads to better
problem solving!
(but “good” problem solving doesn’t always
indicate understanding!)
![Page 45: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/45.jpg)
![Page 46: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/46.jpg)
Summary
Traditional indicators of success misleading
![Page 47: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/47.jpg)
Summary
Traditional indicators of success misleading
Education is no longer about information
![Page 48: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/48.jpg)
Funding:
National Science Foundation
for a copy of this presentation:
http://mazur.harvard.edu
Follow me! eric_mazur
![Page 49: Confessions of a converted lecturer - MITeducationgroup.mit.edu/.../uploads/2011/10/mazurtalk.pdfFollow me! eric_mazur Title Understanding.indd Created Date 20030711111329Z](https://reader034.vdocuments.us/reader034/viewer/2022051913/6004411e61605075f045e37d/html5/thumbnails/49.jpg)
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Funding:
National Science Foundation
for a copy of this presentation:
http://mazur.harvard.edu
Follow me! eric_mazur