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![Page 1: 1 Teaching @IITB – Some Data Institute Faculty Meeting Indian Institute of Technology Bombay, Mumbai February 10, 2010.](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649e265503460f94b153ee/html5/thumbnails/1.jpg)
1
Teaching @IITB – Some Data
Institute Faculty MeetingIndian Institute of Technology Bombay,
MumbaiFebruary 10, 2010
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Teaching @IITB
Teaching
• Important activity
• Less ‘discussed/tracked’ compared to research
• Data, data every where!
• Data? Number game here too?
• Looking at data can help
• If we start looking at the data, what we collect and the process of collecting it will improve.
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Teaching @Aero –Survey by Students
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Teaching – Measures?
• Quality. How well? Student feedback?
– Influenced by liberal grading
– Senior students evaluate stringently
– Teach less, teach well
– Etc.
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Teaching @Aero
• 5 Years, 10 Semesters, 22 faculty
• Number of courses – Total offered = 293– Not evaluated = 77 (26%)
• Each course has– Credits 4, 6 or 8– Taught by 1, 2 or 3 faculty– Average grade awarded 0 to 10– Average student evaluation 0 to 100
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Teaching @Aero – Evaluation Vs Grading?
Grading Vs Evaluation
0
20
40
60
80
100
0 1 2 3 4 5 6 7 8 9 10
Grade (0 to 10)
Eva
luat
ion
Correlation Coefficient = 0.28Average grade = 6.77Average evaluation = 75.9
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7
20
40
60
80
100
1 2 3 4
Year
Eva
luat
ion
Teaching @Aero – Sr Students Evaluate Stringently!
No of Courses No of Deliveries Average Std Dev
1st Year 1 3 63.14 11.9
2nd Year 5 18 59.62 10.9
3rd Year 10 21 60.08 10.6
4th Year 7 9 59.01 5.6
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Teaching @Aero – Load
Each ‘’ represents one faculty
0
10
20
30
40
50
0 1 2 3
No of (6 Credit) Courses/semester
No
of S
tud
en
ts
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Teaching @Aero– Quantity Vs QualityData for 2002 to 2006
40
50
60
70
80
90
100
10 20 30 40 50
Students taught per semester
Eva
luat
ion
Each ‘’ represents one faculty
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Teaching @AeroEvaluation Vs Class Strength!
y = -0.4323x + 84.5170
20
40
60
80
100
0 10 20 30 40 50
Class strength
Eva
luat
ion
Larger the class, tougher to get good evaluation
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Teaching Data of IITB 1999-2007
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UG – Grades & Evaluations
Department AE EE ME CH MT CE
Grade
Average 6.42 6.95 6.88 6.74 6.95 7.11
Std dev 1.42 1.42 1.31 1.25 1.61 1.03
Course Evaluation
Average 68.8566.9
765.15 66.64 66.60 66.34
Std dev 13.3013.2
414.50 13.70 14.14 13.27
No of courses not evaluated
47 46 41 48 47 44
Avg ratio no of evaluations to
no of registrations0.69 0.61 0.52 0.60 0.63 0.61
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PG – Grades & Evaluations
Department AE EE ME CH MT CE
Grade
Average 7.28 7.96 7.74 7.90 8.02 8.23
Std dev 1.66 1.06 1.15 1.11 1.42 0.90
Course Evaluation
Average 80.72 80.7277.0
580.75
79.06
81.04
Std dev 9.25 9.5411.0
09.17
12.52
11.28
No courses not evaluated
48 42 46 45 36 53
Avg ratio no of evaluations
to no of registrations
0.70 0.67 0.67 0.72 0.71 0.79
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UG+PG Teaching Load
AE EE ME CH MT CE
Total no of courses 502 690 705 510 500 624
Average per sem 27.88 38.3639.1
928.31 27.77 34.67
Faculty teaching load
Total Faculty# man-sems
319 581 614 480 452 267
Avg Faculty per sem 17.72 32.2834.1
126.67 25.11 14.83
No course/faculty/sem 1.57 1.19 1.15 1.06 1.11 1.25
Avg class strength 18.35 50.1840.5
343.53 33.77 30.63
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Trends in Grading
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I used to think!
“Academic standards have fallen. Students are not as good as they used to be, etc” Underlying assumption students are the problem
See the data
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Over the years! Dept A : Course-1
0
1
2
3
4
5
6
7
8
9
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
4*F1, 4*F2, F3
Avera
ge g
rad
e &
Std
Dev
Average Grade Point Grade Standard deviation
Linear (Average Grade Point) Linear (Grade Standard deviation)
CS-152
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Over the years! Dept A : Course-2
0
1
2
3
4
5
6
7
8
9
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
3*F1, F2, F1, 4*F3
Ave
rag
e G
rad
e &
Std
Dev
Average Grade Point Grade Standard deviation
Linear (Average Grade Point) Linear (Grade Standard deviation)
CS-207
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Over the years! Dept B : Course-1
0
1
2
3
4
5
6
7
8
9
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
F1, F2, F3, 2*F2, F4, F5, 2*F6
Avera
ge G
rad
e &
Std
Dev
Average Grade Point Grade Standard deviation
Linear (Average Grade Point) Linear (Grade Standard deviation)
CS-212 (EE)
This course presents a trend of reducing grades. But if this one data point is discarded then we have a flat variation
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Over the years! Dept B : Course-2
0
1
2
3
4
5
6
7
8
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
2*F1, F2, 3*F3, 3*F4
Avera
ge G
rad
e &
Std
Dev
Average Grade Point Grade Standard deviation
Linear (Average Grade Point) Linear (Grade Standard deviation)
EE-002
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Over the years!Dept C : Course-1
0
1
2
3
4
5
6
7
8
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
F1, 5*F2, F1, 2*F3
Ave
rag
e G
rad
e &
Std
Dev
Average Grade Point Grade Standard deviation
Linear (Average Grade Point) Linear (Grade Standard deviation)
AE-152
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Over the years! Dept C : Course-2
0
1
2
3
4
5
6
7
8
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
6*F1, 2*(F1+ F2), F1+F3
AV
erag
e g
rad
e &
Std
Dev
Average Grade Point Grade Standard deviation
Linear (Average Grade Point) Linear (Grade Standard deviation)
AE-330
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• Several comments come to mind
– Quality of data
– What additional data must be collected
– What can be done with the data
• But, a more thorough study required
• We must pay more attention to these things
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Publications in the area of Education1999-2009
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Publications in the area of Education1999-2009
In Journals Journals + Conf
Stanford 306 365
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Publications in the area of Education1999-2009
In Journals Journals + Conf
Stanford 306 365
MIT 91 117
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Publications in the area of Education1999-2009
In Journals Journals + Conf
Stanford 306 365
MIT 91 117
IITB 4 12
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28
Publications in the area of Education1999-2009
In Journals Journals + Conf
Stanford 306 365
MIT 91 117
IITB 4 12
IITK 10 11
• > 160 Journals covering education• 35 Journals covering engineering education
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Several Initiatives Worldwide
• National Academy of Engineering, USA is concerned about “Educating the Engineer of 2020”
• Interventions recommended & tried out
– FYEP (First Year Engineering Projects)
– Purdue EPICS Project in experiential learning
– Etc.
• CDIO - Educational framework for producing the next generation of engineers.
(Conceiving, Designing, Implementing, Operating real-world systems and products).
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We need to take teaching lot more seriously
Thank You
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Extra slides
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Some Suggestions
• Validate student evaluations with registration details before accepting
• Capture data on faculty status ‘Lien’, ‘Sabbatical’, ‘Not teaching this sem’, etc. Above data on ‘Faculty man semesters’ cannot account for those who are in the department but do not teach.
• Enable logging of unequal sharing of courses by faculty (ie. If 2 faculty are sharing a course presently they get credit of 0.5 each)
![Page 33: 1 Teaching @IITB – Some Data Institute Faculty Meeting Indian Institute of Technology Bombay, Mumbai February 10, 2010.](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649e265503460f94b153ee/html5/thumbnails/33.jpg)
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UG Teaching Load
Department AE EE ME CH MT CE
Total no of courses* 224 255 317 280 271 267
Average courses per sem
12.44 14.15 17.62 15.56 15.05 14.81
Faculty teaching load
Total Faculty# man-sems
218 267 355 308 295 299
Faculty available per sem
12.11 14.83 19.72 17.11 16.39 16.61
No course/faculty/sem 1.03 0.95 0.89 0.91 0.92 0.89
Average class strength 29 78 63 62 50 54
* Courses are normalized to 6 credit courses # Only a sub-set of the dept faculty may be involved in UG Teaching. This is the average over the faculty who are involved in UG teaching
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PG Teaching Load
Department AE EE ME CH MT CE
Total no of courses* 278 436 388 230 229 358
Average per semester 15.44 24.21 21.57 12.75 12.72 19.87
Faculty teaching load
Total Faculty# man-sems
240 410 395 247 232 314
Avg Faculty per sem 13.33 22.78 21.94 13.72 12.89 17.44
No course/faculty/sem 1.16 1.06 0.98 0.93 0.99 1.14
Avg class strength 9.57 33.72 21.77 20.70 14.80 13.52
* Courses are normalized to 6 credit courses # Only a sub-set of the dept faculty may be involved in PG Teaching. This is the average over the faculty who are involved in PG teaching
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Teaching Data 1999-2007
This summary based on teaching data for 9 years is presented with following
comments
• Study is more to see what data can ‘tell’• Since the data may not have been
captured with a view to use it thus, we may have to tighten the processes to correctly capture the data
• Some observations & suggestions have also been made
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Some Suggestions/Recommendations
• Max & Average feedback for a course to be intimated to faculty designated for a course
• Course evaluation to be done for all courses.
• Capture un-equal sharing of course load• Need to log summer courses• 21 Qs in Course Evaluations?
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Grades, Evaluations : Some Observations
• In all departments many courses have gone without getting evaluated.
• Most departments have shown more than one course that has got evaluated by more students than are registered for it. To be looked into!
• Civil has highest average grade for both UG & PG with least standard deviation. Metallurgy comes next.
Summary of data
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Teaching – Histograms
Distribution of Class Size
0
20
40
60
80
100
0 5 10 15 20 25 30 35 40 45 50
Class size
No
of C
ou
rse
s
No of courses that had class strength between 0 to 5
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Teaching – Histograms
Distribution of Grading
0
20
40
60
80
100
0 1 2 3 4 5 6 7 8 9 9.5 10
Grade (0 to 10)
No
of C
ou
rse
s
Average grade = 6.77How does this compare across departments?Aero students find our grading very stringent.
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Teaching – Histograms
Distribution of Evaluation
0
20
40
60
80
0 10 20 30 40 50 60 70 80 90 95 100
Evaluation
No
of C
ou
rse
s
Average evaluation = 75.92
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Teaching – Course / Student Load
Each ‘’ represents one faculty
0
10
20
30
40
50
0 1 2 3
No of (6 Credit) Courses/Sem/Faculty
No
of
Stu
de
nts
Average Courses/faculty/sem = 1.25 Average students/course = 30(normalized to 6 credit course)
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Teaching Quality - Comparison
020406080
100
2002 2003 2004 2005 2006 2006
Year
Feed
back
020406080
100
2002 2003 2004 2004 2005 2006
Year
Feed
back
Same course– Wide variation across faculty– Less variation for same faculty
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Some Suggestions/Recommendations
• Max & Average feedback for a course to be intimated to faculty designated for a course
• Course evaluation to be done for all courses.
• Targeted evaluation > 70
• Capture un-equal sharing of course load• Need to log summer courses• 21 Qs in Course Evaluations too much?
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Detailed study of teaching related data planned
Data available 1999 onwardsStudent evaluations 2002 onwards
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Some Data!
• Numbers, numbers Quality?– Numbers alone not sufficient . . . – Numbers may be necessary indicator . . .
• Assorted data collected over 2-3 years• Aim
– Not to judge anyone /anything– Not to make a point– Data can help if captured thoughtfully and
processed with care– We must also start talking about teaching! It is
important.
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Teaching – Across Faculty
Each faculty
– Nsem = no of semesters taught ≤ 10
– Nc = total courses taught
Ci = credits,
Fi = 1.0 not shared,
= 0.5 shared with another
Ni = no of students registered
Ei = Evaluation by students
i = 1, Nc
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47
Teaching – Some Indices
Teaching load related
• Equi 6 Cr courses, Nc6 = (Nc Fi Ci )/ 6
• Avg courses/sem, Nc-sem = Nc6 / Nsem
• Avg students/course, Ns-c = (Nc Fi Ci Ni )/ (Nc Fi Ci )
= (Nc Fi Ci Ni )/ (6 Nc6)
• Avg students/sem, Ns-sem = Ns-c * Nc-sem
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Teaching – Some Indices
Evaluation related
Avg evaluation, E = (Nc Fi Ci Ni Ei)/(Nc Fi Ci Ni )
= (Nc Fi Ci Ni Ei)/(6 Nc6 Ns-c)
AE-123 AE-321
Ci 6 6
Fi 1 1
Ni 20 10
Ei 70 80
E = (70*20+80*10)/2/15 = 73.3
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49
Teaching – Across Faculty
Each faculty
– Nsem = no of semesters taught ≤ 10
– Nc = total courses taught
Ci = credits,
Fi = 1.0 not shared,
= 0.5 shared with another
Ni = no of students registered
Ei = Evaluation by students
i = 1, Nc
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Teaching – Some Indices
Teaching load related
• Equi 6 Cr courses, Nc6 = (Nc Fi Ci )/ 6
• Avg courses/sem, Nc-sem = Nc6 / Nsem
• Avg students/course, Ns-c = (Nc Fi Ci Ni )/ (Nc Fi Ci )
= (Nc Fi Ci Ni )/ (6 Nc6)
• Avg students/sem, Ns-sem = Ns-c * Nc-sem
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51
Teaching – Some Indices
Evaluation related
Avg evaluation, E = (Nc Fi Ci Ni Ei)/(Nc Fi Ci Ni )
= (Nc Fi Ci Ni Ei)/(6 Nc6 Ns-c)
AE-123 AE-321
Ci 6 6
Fi 1 1
Ni 20 10
Ei 70 80
E = (70*20+80*10)/2/15 = 73.3