Tacit knowledge or implicit knowledge is knowledge that is difficult to extract or articulate—as opposed to conceptualized, formalized, codified, or explicit knowledge—and is therefore more difficult to convey to others through verbalization or writing. Examples of this include individual wisdom, experience, insight, motor skill, and intuition. An example of "explicit" information that can be recorded, conveyed, and understood by the recipient is the knowledge that London is in the United Kingdom. Speaking a language, riding a bicycle, kneading dough, playing an instrument, or designing and operating sophisticated machinery, on the other hand, all require a variety of knowledge that is difficult or impossible to transfer to other people and is not always known "explicitly", even by skilled practitioners.
Overview
Origin The term tacit knowing is attributed to Michael Polanyi's Personal Knowledge (1958). In his later work, The Tacit Dimension (1966), Polanyi made the assertion that "we can know more than we can tell." He states not only that there is knowledge that cannot be adequately articulated by verbal means, but also that all knowledge is rooted in tacit knowledge. While this concept made most of its impact on philosophy of science, education and knowledge management—all fields involving humans—it was also, for Polanyi, a means to show humankind's evolutionary continuity with animals. Polanyi describes that many animals are creative, some even have mental representations, but can only possess tacit knowledge. This excludes humans, however, who developed the capability of articulation and therefore can transmit partially explicit knowledge. This relatively modest difference then turns into a big practical advantage, but there is no unexplained evolutionary gap.
Definition Tacit knowledge can be defined as skills, ideas and experiences that are possessed by people but are not codified and may not necessarily be easily expressed. With tacit knowledge, people are not often aware of the knowledge they possess or how it can be valuable to others. Effective transfer of tacit knowledge generally requires extensive personal contact, regular interaction, and trust. This kind of knowledge can only be revealed through practice in a particular context and transmitted through social networks. To some extent it is "captured" when the knowledge holder joins a network or a community of practice. Some examples of daily activities and tacit knowledge are: riding a bike, playing the piano, driving a car, hitting a nail with a hammer, putting together pieces of a complex jigsaw puzzle, and interpreting a complex statistical equation. In the field of knowledge management, the concept of tacit knowledge refers to knowledge that cannot be fully codified. An individual can acquire tacit knowledge without language. Apprentices, for example, work with their mentors and learn craftsmanship not only through language but also by observation, imitation, and practice. The key to acquiring tacit knowledge is experience. Without some form of shared experience, it is extremely difficult for people to share each other's thinking processes.
Terrain Tacit knowledge can be divided according to the terrain. Terrains affect the process of changing tacit knowledge into explicit knowledge. Terrains are of three kinds:
Relational tacit knowledge: Relational tacit knowledge could be made explicit, but not made explicit for reasons that touch on deep principles that have to do with either the nature or location of knowledge of the way humans are made. This knowledge refers to things we could describe in principle if someone put effort into describing them. Somatic tacit knowledge: Somatic tacit knowledge has to do with properties of individuals bodies and brains as physical things. It includes things our bodies can do but we cannot describe how, like riding a bike. In principle it is possible for it to be explicated as the outcome of research done by human scientists. Collective tacit knowledge: Collective tacit knowledge is a kind of knowledge that we do not know how to make explicit and that we cannot envisage how to explicate. It is the domain of knowledge that is located in society, such as the rules for language - it has to do with the way society is constituted.
Embodied knowledge Tacit knowledge has been described as “know-how” as opposed to “know-what” (facts). This distinction between “know-how” and “know-what” is considered to date back to a 1945 paper by Gilbert Ryle given to the Aristotelian Society in London. In his paper, Ryle argues against the (intellectualist) position that all knowledge is knowledge of Propositions (“know-what”), and therefore the view that some knowledge can only be defined as “know-how”. Ryle's argument has, in some contexts, come to be called "anti-intellectualist". There are further distinctions such as "know-why" (science) or "know-who" (networking). Tacit knowledge involves learning and skill but not in a way that can be written down. On this account, knowing-how or “embodied knowledge” is characteristic of the expert, who acts, makes judgments, and so forth without explicitly reflecting on the principles or rules involved. The expert works without having a theory of his or her work; he or she just performs skillfully without deliberation or focused attention. Embodied knowledge represents a learned capability of a human body's nervous and endocrine systems.
Differences from explicit knowledge Although it is possible to distinguish conceptually between explicit and tacit knowledge, they are not separate and discrete in practice. The interaction between these two modes of knowing is vital for the creation of new knowledge. Tacit knowledge can be distinguished from explicit knowledge in three major areas:
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