The critical thinker is a clear and accurate thinker. He uses his instruments – concepts – as carefully as a carpenter uses his tools.

As said before, knowledge of the theory is necessary for the development of critical thinking skills.

For this purpose the framework of concepts – the Topics – is essential, and explained in detail below. These Topics are classed under five important skills: grouping, reasoning, analyzing, structuring and evaluating.

If you want to quickly check the meaning of a Topic, consult the list of Definitions, which will provide you with short definitions of all the terminology as used in the method (of which the Topics form a part).