Exam format (4)

I think it could be either:

Which length description are you looking for?:

8-6

oral

'exam format' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for oral that I've seen before include "Spoken test" , "Unwritten examination" , "Kind of exam" , "Spoken - examination" , "Using speech rather than writing" .)

I've seen this clue in the King Feature Syndicate and the Penny Press.

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