Learning to Think. A Critical Skill


Thinking is most  often casual and informal, whereas critical thinking deliberately evaluates the quality of thinking. In a seminal study on critical thinking and education in 1941, Edward Glaser writes that the ability to think critically involves three things:

1. An attitude of being disposed (state of mind regarding something) 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,

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(relevant) 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 generalisations at which one arrives, to reconstruct one’s patterns of beliefs on the basis of wider experience, and to render accurate judgments about specific things and qualities in everyday life.

Critical thinking can occur whenever one judges, decides, or solves a problem; in general, whenever one must figure out what to believe or what to do, and do so in a reasonable and reflective way. Reading, writing, speaking, and listening can all be done critically or uncritically. Critical thinking is crucial to becoming a close reader and a substantive writer. Expressed most generally, critical thinking is a way of taking up the problems of life.

A  critical thinker:

  •  raises vital questions and problems, formulating them clearly and precisely;
  •  gathers and assesses relevant information, using abstract ideas to interpret it effectively
  •  comes to well-reasoned conclusions and solutions, testing them against relevant criteria and standards;
  •  thinks open-mindedly within alternative systems of thought, recognizing and assessing, as need be, their assumptions, implications, and practical consequences; and
  •  communicates effectively with others in figuring out solutions to complex problems; without being unduly influenced by others thinking on the topic.


Critical thinking is an important element of all professional fields and academic disciplines (by referencing their respective sets of permissible questions, evidence sources, criteria, etc.).

Within the framework of scientific scepticism, the process of critical thinking involves the careful acquisition and interpretation of information and use of it to reach a well-justified conclusion. The concepts and principles of critical thinking can be applied to any context or case but only by reflecting upon the nature of that application. Critical thinking forms, therefore, a system of related, and overlapping, modes of thought such as anthropological thinking, sociological thinking, historical thinking, political thinking, psychological thinking, philosophical thinking, mathematical thinking, chemical thinking, biological thinking, ecological thinking, legal thinking, ethical thinking, musical thinking, thinking like a painter, sculptor, engineer, business person, etc. In other words, though critical thinking principles are universal, their application to disciplines requires a process of reflective contextualisation.

Critical thinking is important, because it enables one to analyse, evaluate, explain, and restructure our thinking, decreasing thereby the risk of adopting, acting on, or thinking with, a false belief. However, even with knowledge of the methods of logical inquiry and reasoning, mistakes can happen due to a thinker’s inability to apply the methods or because of character traits such as egocentrism. Critical thinking includes identification of prejudice, bias, propaganda, self-deception, distortion, misinformation, etc.


3 thoughts on “Learning to Think. A Critical Skill

  1. Thank you Brian for this article. Independent, critical thinking forms, in my opinion, the basis to function sanely and intelligently in this world. The skill, if not present, or poorly developed results in building poor maps of the world, semantic disturbancies i.e. unchecked hallucinations, delusiona and illusions. Existing environment all over the world does not support honening the skill thus too many people experience individual problems which, in turn, in its mass evoke social problems and the mess we are in.

    Human brian can and should learn to grasp structure of what’s going on outside our skin so everyone, if not yet involved, can train oneself in this skill.

    The most important question arise – whom should we learn from ?

  2. Agree with Cezary, the most stunning point for me at least is to learn from a credible source, no matter whether he is an old and experienced man or a youngster who thinks globally and from whom I can grasp new ideas.

    BTW most of the advertised MBA programs do not guarantee you critical thinking skills, therefore I suppose in majority of cases the critical thinking is individual…

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