Which of the following best characterizes implicit knowledge?

Implicit knowledge is understood as knowledge that is often difficult to articulate or express verbally, despite being demonstrated easily in practical situations. This type of knowledge includes skills, habits, and experiences that individuals possess without being able to explicitly explain them. For example, someone may be able to ride a bicycle or play a musical instrument proficiently but find it challenging to verbalize the steps or techniques involved in doing so. This highlights the distinction between implicit knowledge and explicit knowledge, where the latter is characterized by an ability to consciously describe and articulate information clearly.

The other options suggest characteristics that do not align with the nature of implicit knowledge. For instance, knowledge that can be easily expressed verbally pertains to explicit knowledge, while knowledge requiring conscious effort to retrieve relates more closely to memory retrieval processes of explicit information. Lastly, knowledge strictly pertaining to theoretical concepts does not encompass the practical, experiential aspects that implicit knowledge embodies. Thus, option B accurately reflects the characteristics of implicit knowledge, emphasizing its non-verbal, demonstrative nature.