Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by form]

Anotations

Scope note:

Documents containing a set of questions for submission to a number of persons in order to obtain statistically useful information. Use "surveys" for documentation of inspections conducted to achieve a comprehesive view.