thinking skills creativity, problem solving, problem finding
TRANSCRIPT
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THINKING SKILLS
Creativity, Problem solving, Problem finding
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Generally our thinking tends to be Re-productive, i.e.
based on similar problems encountered in the past, or
taught to solve.
However, we must learn to do Productive thinking, i.e.
generate as many alternative approaches as possible.
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LEVELS OF THINKING
Low
High
Knowing
Comprehension
Application or Problem solving
Evaluation or Critical thinking
Creativity
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• Creativity is a skill which can be developed by practice.
Conscious application is needed, not the vagaries of
“inspiration”, in order to achieve a creative output.
• “That “creativity” is beyond analysis is a romantic
illusion we must now outgrow” – Peter Medawar.
• Creativity is a matter of organizing one’s basic skills,
not regretting that one was not born with a “quick”
or “logical” mind.
GIFT OR SKILL ?
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• Marilyn vos Savant (IQ 228 – highest ever) is
merely a question and answer columnist for
Parade magazine.
• Richard Feynman (IQ 122 - less than many run-
of-the-mill physicists) is a Nobel prize winner
and recognized as the last American Genius.
INTELLIGENCE versus CREATIVITY
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Intelligence and creativity are not the same things.
Intelligence in a domain means the ability to
function at a high level in that domain, but
creativity involves asking new questions and
altering the domain. One can be highly intelligent
but rigid, noncreative, or lacking in the kind of
single-minded passion that drives creators.
INTELLIGENCE versus CREATIVITY
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Creativity is the ability to look at the same thing
as everyone else and think something different.
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Description of attitudes with the help of “roses” and “thorns”
Humane Roses for you and Roses for me
Optimistic Roses
Pessimistic Thorns
Realistic Roses and thorns
Stoic Roses or
thorns
Selfish Roses for me and thorns for you
Sadistic Thorns for you and your blood for
meDivine Roses for you and your thorns for me
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Creativity can be developed by -
• Looking at the world in terms of analogies.
• Learning about different ways to solve a problem
If you have 10 hours for chopping a tree,
spend 5 hours sharpening the axe.
PRESCRIPTIONS
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Examples of Analogies
• Solar system Atomic structure
• Brownian motion of dust particles
Electrons in a crystal
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Different ways of calculating
• 22 < < 4 (square), 3 < < 23 (hexagon)
• / 4 = Tan-1 1 = (x – x3/3 + x5/5 – x7/7 + ….) at x = 1
• Buffon’s needle experiment
= 2 x (total drops) / (no. of hits)
Education is not about learning diverse
subjects, but about learning diverse ways
to the same subject - Aurobindo
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STRATEGIES OF PROBLEM SOLVING
Representation
Logical thinking
Division into sub-problems
Stretch to the extreme
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TECHNIQUES OF REPRESENTATION
• Reformulation
• Symbolic
• Table: list, matrix
• Graph
• Trees
• Venn diagram
• Other diagrams
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How can you become more productive ?
REFORMULATION
How can you make your job easier ?
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Derive the trend in the behavior of plating adhesion
on a silicon substrate from the measured data as a
function of substrate area and doping level. The
adhesion is measured for 0.5, 1 and 2 cm2 area, and
P+, P, N and N+ doping levels. Each measurement
is repeated twice.
PROBLEM
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TABLE(LIST)
Doping Area (cm2)
Expt 1 Expt 2
P+
0.5 10 10.2
1 7 7.2
2 5 6
P
0.5 8 9
1 4.3 4.7
2 3 3.1
N
0.5 4.1 4.8
1 4.1 5
2 3.9 5.8
N+
0.5 - -
1 3 3.2
2 2.9 6.1
AdhesionStrength(106 N / m2)
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Area
Doping0.5 cm2 1 cm2 2 cm2
P+ 10 10.2 7 7.2 5 6
P 8 9 4.3 4.7 3 3.1
N 4.1 4.8 4.1 5 3.9 5.8
N+ - - 3 3.2 2.9 6.1
Adhesion strength ( 106 N / m2)
TABLE (MATRIX)
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GRAPH
0.5 cm2
1 cm2
2 cm2
Adhesion strength (106 N / m2)
N+ N P P+
10
8
6
4
2
0
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Teaching-learning ProcessStudent action
Student question
Student response
Teacher question
Teacher response
Teacher talk
Using chalkboard
Using charts
Using projections
Using multimedia
Time
A picture is worth a
thousand words
Graph
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PROBLEM FINDING
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• Problem solving versus problem finding
• Formulation of a problem
• Types and attributes of research problems
• Sources of research problems
CONTENTS
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Finding a problem
• is harder than solving it or doing the actual
research;
• is often more essential than its solution;
• is as much a scholar’s responsibility as that of the guide - a problem must spring from a researcher’s mind like a plant springing from its own seed.
Problem Solving vs Problem Finding
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Attributes of Research Problems
Difficulty
Value or usefulness
Originality
Is it interesting (does it deny commonly held assumptions ?)
Significance / impact (all the above and more)
Cost / equipment / cooperation
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• Why literature survey
• What to read
• How much to read
• How to read
• Note taking
LITERATURE SURVEY
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EXPERIMENTAL AND MODELING SKILLS
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CONTENTS
• Scientific method
• Design of an experiment
• Need for precision
• Errors – types, sources, estimation
and elimination
• Documentation
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SCIENTIFIC METHOD
Non-scientific thinking
• Authority
• Pure logic
• Intuition: spontaneous judgment not based on
conscious reasoning.
common sense: practical intelligence shared by
a large group of people
These are “practical” rather than theoretical.
Scientific results can be counterintuitive
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• Observation
• Hypothesis
• Verification
• Generalization
• Experiment
• Observation
• Inference
SCIENTIFIC METHOD
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Hypothesis is an imaginative preconception or an
inspired guess about some particularly interesting
aspect of the world. Every discovery begins as a
hypothesis.
Experiment is the act undertaken to verify a hypothesis.
SCIENTIFIC METHOD
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• A way of understanding the world by objective
observations.
• Its goal is to discover laws and develop theories
to explain them.
SCIENTIFIC METHOD
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• Law:
A statement that certain events are regularly
associated with each other in an orderly way.
• Theory:
A set of statements explaining one or more laws,
usually including one indirect concept needed to
explain the relationship
SCIENTIFIC METHOD
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COMMUNICATION SKILLS
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• Understanding and agreement
• Effectiveness and efficiency
Dimensions of Communication
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Ineffective Communication
“Sir, my employer wants a letter about the
completion of my thesis written by you !”
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a considerable amount of much
the given data data
in the event that if
deposited precipitate precipitate
the nature of Hoyle’s work is Hoyle’s work is always of a provocative kind always provocative
Inefficient Efficient
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ORAL COMMUNICATION
words7%
38 %
55 %
Non-verbal: gesture and facial expression
Verbal: spoken words, pauses, stress and intonation
vocal
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Attention span
It can be increased by adding variety to the talk -
interaction, diagrams, audiovisuals, pace of speech,
pitch of the voice, length of sentences, pauses,
repetition; gesturing with hands, humor.
Attention span of the audience: initial 20 min of
concentration, lapse for 10-20 min, slight recovery
and then renewed relapse till the end.
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WRITING AND THOUGHT
• Writing is the means of discovering new knowledge.
• Writing makes people think about their work in a different way.
• The only time when we think is when we write !
• A lot is written when little has been achieved.
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Prescriptions
• Read the editorial of newspapers daily.
• Read the newspaper aloud.
• Do writing for two hours / week .
This could be notes for the lectures that
you gave, or description of an important
idea. It can also be precis writing.
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"I am arrive by passenger train Ahmedpur station and my
belly is much swelling with jackfruit. I am therefore went
to privy. Just I doing the nuisance that guard making
whistle blow for train to go off and I am running with lotah
in one hand and dhoti in the next when I am fall over
and expose all my shocking to man and female women
on platform. I am got leaved at Ahmedpur station. This
too much bad, if passenger go to make dung that dam
guard not wait train five minutes for him. I am therefore
pray your honour to make big fine on that guard for public
sake. Otherwise I making big report in papers."
Okhil Chandra Sen to Sahibganj Divisional Railway Office (1909)
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MANAGEMENT SKILLS
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We cannot say – go and discover the second law of
thermodynamics in the afternoon, but if we arrange
our schedule so as to set aside time for thinking and
experimenting, we put ourselves in the way of
discovering something.
Time managementTime management
Working out a new idea requires much routine work,
and to this part of an investigation, we can apply
efficiency methods.
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Persistence and the ability to manage boredom and
frustration are crucial for research work.
Stress managementStress management
Monotony and repetitiveness of concentrating on the
same idea for an extended period of time.
Criticism
Loneliness: “I work alone in a lab, full of people - all
research students, all working alone.”
Sources of stress
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Professional EthicsProfessional Ethics
• Research, like all good things in life, is never smooth
sailing
• Plagiarism - cite reference
• Credit to co-workers – authorship and acknowledgment
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CONCLUSION
• During research, the feelings of exploration, excitement,
challenge, involvement and passion are frequent, and
one gets an enormous feeling of achievement on the
award of a research degree.
• Research makes you an independent and organized
thinker, a good communicator and stress-time manager.
• Education is not about learning diverse subjects,
but about learning diverse ways to the same subject.
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Questions or comments ?
Do not follow where the path may lead
Go instead where there is no path
……… Ralph Emerson