Gedankenexperiment attention audibility audience aural examination aural sense auscultation bench test blue book bugging conference dry run eager attention ear eavesdropping electronic surveillance exam examen examination examination by ear favorable attention final final examination flight test great go hearing heeding honors hushed attention interview listening listening in midsemester midterm oral oral examination pilot plan practical test practice prelim quiz rapt attention rehearsal road test sense of hearing shakedown shakedown cruise take-home examination test test flight test run trial trial run tripos tryout viva wiretapping workout written written examination