Which of the following methods is NOT commonly used for documentation?

Audio recordings are indeed used for documentation in various settings, especially where capturing spoken words can be useful, such as interviews or oral histories. They allow for a detailed account of conversations and can be easily played back for accurate transcription or analysis.

Other common methods of documentation include handwritten notes, which can be quick and personal; hardcopy forms that are often utilized for standardized data collection; and electronic formats that facilitate easy storage, sharing, and editing of documents. Each of these methods is widely accepted and utilized in professional and academic contexts for effective documentation practices.

In contrast, while audio recordings have their place, they may not be as universally acceptable in formal documentation practices due to potential issues with accessibility, editability, and the need for transcription for clarity and record-keeping. Thus, it is likely considered less common compared to the other methods listed.