Specific comments about the effectiveness of I Quit! included:

It does provide motivation to quit. I'd say about 6/10 for motivation.
(girl 15, smokes 10 a week)

It does actually make you think, especially by mentioning the amount of
money you will save. (girl 16, 20 a week)

Its impact is good and hard hitting. It has made me reconsider stopping. It
shocked me when I worked out how many I smoke and how much money I
lose. (girl 17, smokes 100 a week)

There was nothing I didn't know already, but it did remind me. It didn't
make me want to give up, but it did remind me of my bad health. (boy 16,
50 a week)

It's quite effective, dramatic and thought-provoking.
(boy 17, 40-50 a week)

It made me think, but it didn't quite do the trick enough to make me quit.
(boy 17, 80 a week)

I think it has a large impact and makes me think about stopping. I think it
is very effective. (boy 18, 20 a week)

On the other hand, several respondents remained unshaken in their view that
there was not a lot that could be done to discourage teenage smokers:

I don't think anything is really effective unless the person is very serious
about stopping smoking.

People will stop when they want to, so there is nothing you can do.

It won't help if you have no willpower.

There were very few critical or negative responses. There were only two
respondents who did not like I Quit! very much. One said, "It's a bit dull."
Another said, "It is too long and gets boring." (Though this same person said
elsewhere that the booklet "is interesting".)

A problem for a small minority was that the booklet seemed childish, and was a
"bit too young" in places, though they thought this applied to the illustrations
rather than the text. A few others (in common with some of the adult reviewers)
thought that the text was too small in places and could present problems for poor