Table I.

Stimulus 1 is testing for preboundary effects; the consonants to be measured are N D D. Stimulus 2 is testing for postboundary effects; the consonants to be measured are D D N. Stimulus 3 is the control utterance and contains a phrase-medial sequence of consonants. (Subjects were instructed to emphasize the underlined word to control somewhat for focal accent placement.)

Effect	Consonants	Sentence
Preboundary effects	N D D	Birdhunting, we were shocked to see a new dodo. Knock on wood that there are more.
Postboundary effects	D D N	At the zoo, we were shocked to see a Gnu. Dodo knocking about, however, would have been more surprising.
Control	N D D N	Birdhunting, we were shocked to see a new dodo knocking on wooden posts.