Critical Thinking Defined by Edward Glaser
In a seminal study on critical thinking and
education in 1941, Edward Glaser defines critical thinking as follows “The
ability to think critically, as conceived in this volume, involves three
things:
1. an attitude of being disposed to
consider in a thoughtful way the problems and subjects that come within the
range of one's experiences,
2. knowledge of the methods of
logical inquiry and reasoning, and
3. some skill in applying those
methods.
Critical thinking calls for a persistent effort to
examine any belief or supposed form of knowledge in the light of the evidence
that supports it and the further conclusions to which it tends. It also
generally requires ability to recognize problems, to find workable means for
meeting those problems, to gather and marshal pertinent information, to
recognize unstated assumptions and values, to comprehend and use language with
accuracy, clarity, and discrimination, to interpret data, to appraise evidence
and evaluate arguments, to recognize the existence (or non-existence) of
logical relationships between propositions, to draw warranted conclusions and
generalizations, to put to test the conclusions and generalizations at which
one arrives, to reconstruct one's patterns of beliefs on the basis of wider
experience, and to render accurate judgements about specific things and
qualities in everyday life.
(Edward M. Glaser, An Experiment in the Development
of Critical Thinking, Teacher’s College, Columbia University, 1941)
There is some criticism on teaching students to be critical
thinkers, as may be that what teachers are teaching is not actually ‘critical
think, but questioning’. According to Mathew Arnold, critical thinking is
is more
like a character trait – like having “a critical spirit”, or a willingness to
engage in the “give and take of critical discussion”. Criticism is always about
the world and not about you.
Socrates on the other hand includes the idea of uncertainty in his view of criticism.
“The
Socratic education begins … with the awakening of the mind to the need for
criticism, to the uncertainty of the principles by which it supposed itself to
be guided.”
However, for the purposes of this
topic we are talking about learning the underlying reasons for the answer,
rather than just being fixated on the answer. If you teach to solve a problem,
the student will only know the answer to that problem. But teach them why, and
they will be able to solve any similar problem. This in essence is what we are
trying to convey. In this field we look at the separate steps to analyse the processes
of thought and problem solving. In this we look at
·
analysing
·
conceptualizing
·
defining
·
examining
·
inferring
·
listening
·
questioning
·
reasoning and
·
synthesizing
This in turn helps us to identify
and reject false or flawed ideas or ideologies. One concept to take into
consideration is that to truly engage in critical thinking, one has to take
into consideration one’s own biasis and possible flawed thinking. This can be
influenced by culture or upbringing. One has to recognize knowledge and
evidence as being more important than opinion. This may go against held
beliefs, and cause conflict for these ideas.
CT encourages scepticism, which
reasons that not everything that is presented is necessarily true. This is sort
of like the internet and Facebook. Sceptics withhold judgement until is
adequately provided that is not refutable. This is the basis for reason above
persuasion. A disregard for reason eliminates the process of CT.
One of the problems with Critical
Thinking is the concept that many people like to see problems in either right or
wrong, and not pursue more complicated outcomes. I find this very often in
college students that will think this way. Problems are not always a dichotomy.
The idea of good vs evil looses weight, when one views a perceived evil person,
and find that they had some good qualities. The refusal to accept complex solutions
for an answer could be a person’s refusal for the idea of uncertainty.
Uncertainty does not allow for the person to be right, and thus, appears to be
a flawed system or stance. The world used to be flat, because the thought of
not know what shape it was seemed intolerable to a demanding audience.
Uncertainty or ambiguity promotes doubt, and if there is doubt about an
authority figure, then all of their hypothesis may be wrong. Critical thinkers
must:
·
Demands the ability to handle uncertainty
·
Secure in knowing that they may be wrong, and
accept this
·
Must be able to wait for valid, evidence based
answers
There are apparently nine standards
for making questions in this area
Intellectual standards (nine of
them):
1. Clarity: Could you
elaborate further? Could you give me an example? Could you illustrate what you
mean?
2. Accuracy: How could we
check on that? How could we find out if it is true? How could we verify or test
that?
3. Precision: Could you be
more specific? Could you give me more details? Could you be more exact?
4. Relevance: How does that
relate to the problem? How does that bear on the question? How does that help
us with the issue?
5. Depth: What factors make
this a difficult problem? What are some of the complexities of this
question? What are some of the difficulties we need to deal with?
6. Breadth: Do we
need to look at this from another perspective? Do we need to consider this
from another point of view? Do we need to look at this another way?
7. Logic: Does this all
make sense together? Does your first paragraph fit with your last? Does what
you say follow from the evidence?
8. Significance: Is this
the most important problem to consider? Is this the central idea to focus on?
Which of the facts are most important?
9. Fairness: Do I have
vested interest in this issue? Am I sympathetically representing the viewpoints
of others?
It is important to know that we
may need to look at our problem/issue and take them/it apart. Define our purpose
and ask, "Is this relevant"? Do our research on these facts so that
we consider alternatives and differing points of view. Think about the
implications, assumptions and dynamics of reasoning in our minds. Use this
framework to help us make decisions on a daily basis...especially the really
important ones!
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