___ Questionnaire, character assessment that might ask "What is your idea of perfect happiness?" (6)

I believe the answer is:

proust

(Other definitions for proust that I've seen before include "Remembrance of Things Past author" , "Great French novelist found in stupor" , "French novelist - stupor (anag)" , "See 8" , "Great French writer in stupor" .)

I've seen this clue in The New York Times.

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