SPEAKER QUESTIONNAIRE

       to be filled out after completion of recording sessions

(The first 16 questions below are given with a six-point response
scale, where "1" represents "stringly disagree" and "6" represents
"strongly agree".)

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1] I believe that the travel plans that I made are as good as those I
   would have made had I been talking to a travel agent.

2] I was able to get all of the travel information I needed from the
   system.

3] The Air Travel Planning System understood me most of the time.

4] When the system didn't understand me, it was easy to figure out
   another way to get my idea across.

5] The dialogue between me and the computer was natural, that is, it
   was like I was talking with another human being.

6] I was satisfied with the way information was presented by the
   computer.

7] The system responses contained the kinds of information I was
   seeking.

8] The answers were provided quickly enough.

9] An air traveller unfamiliar with computers would find this
   system easy to use.

10] I was able to concentrate on solving the problem.

11] The problems I was asked to solve were easy to understand.

12] The instructions were easy to understand.

13] I had enough practice to use this system easily.

14] I would prefer this method (voice query) to looking up the
    information in a book.

15] I would prefer this method (voice query) to talking to a travel agent.

16] My interaction with the system improved (e.g. the system
    understood me better or I learned how to use it better) over time
    during the session.

17] In what ways did speech make this system easy to use?
    Please Comment:

18] In what ways did speech make this system difficult to use?
    Please Comment:

19] How could this system be improved?
    Please Comment: