These pages demonstrate an experiment concerned with the perception of vowels. You will hear a voice saying "Please say what this word is:" followed by a test word which is one of the words "bit, bet, bat, but". Your task is to identify the test word. Write it down somewhere on a scrap of paper. You will be asked to make three identifications of this kind.
Identify the test word as one of:
Click here to see an explanation of the sentences and what you heard.