The response rate in this survey was 73%. Even
though we have no indications that smokers or
those who reacted negatively towards the campaign
were more reluctant to respond than others, there
is still a risk that those who reacted most negatively
towards the campaign are over-represented among
the non-participants. Consequently, the campaign
may have created more negative effects than indicated
by our results. However, those who did not
react at all may also be over-represented among
the non-participants. These may include nonsmokers
for whom antismoking campaigns arc of
little relevance. These problems must be kept in
mind when interpreting the results.
In the present publication, the term positive
'behavioural reactions' denotes a set of responses
to the campaign which are not purely a matter of
behaviour change. For smokers, being classified
as having positive behavioural reactions includes
either category 1, 2 and 3 (model I) or 1 and 2
(model II):
(1) Having managed to quit smoking.
(2) Decided to quit smoking.
(3) Having considered to quit smoking.
These three categories represent a hierarchy from
'having considered' as the weakest behavioural
reaction to 'having managed to stop' as the strongest
behavioural reaction. In several theories of
behaviour change, such as the Transtheoretical
model of change (Diclemente et al, 1991), such
hierarchies are described and elaborated. In the
theory of reasoned action (Ajzen and Fishbein,
1980), 'intention' is given a prominent position as
the main predictor of behaviour.
Ideally it would have been more satisfactory to
carry out separate analyses with each of these
categories defining individual dichotomous criterion
variables. Among smokers, however, the
number of observations would be too low for
meaningful multivariate statistical analyses with
such skewed dependent variables. As shown in
Table V, however, separate analyses were performed
using model I and model IL
The present mass media campaign, which was
based on messages designed to arouse dissonance
and which specifically targeted girls, had the best
short-term effects among girls, and among smokers
in particular, as regard attention, interpersonal
communication and behavioural outcomes.
The response rate in this survey was 73%. Eventhough we have no indications that smokers orthose who reacted negatively towards the campaignwere more reluctant to respond than others, thereis still a risk that those who reacted most negativelytowards the campaign are over-represented amongthe non-participants. Consequently, the campaignmay have created more negative effects than indicatedby our results. However, those who did notreact at all may also be over-represented amongthe non-participants. These may include nonsmokersfor whom antismoking campaigns arc oflittle relevance. These problems must be kept inmind when interpreting the results.In the present publication, the term positive'behavioural reactions' denotes a set of responsesto the campaign which are not purely a matter ofbehaviour change. For smokers, being classifiedas having positive behavioural reactions includeseither category 1, 2 and 3 (model I) or 1 and 2(model II):(1) Having managed to quit smoking.(2) Decided to quit smoking.(3) Having considered to quit smoking.These three categories represent a hierarchy from'having considered' as the weakest behaviouralreaction to 'having managed to stop' as the strongestbehavioural reaction. In several theories ofbehaviour change, such as the Transtheoreticalmodel of change (Diclemente et al, 1991), suchhierarchies are described and elaborated. In thetheory of reasoned action (Ajzen and Fishbein,1980), 'ความตั้งใจ' ได้ตำแหน่งเด่นเป็นpredictor ที่หลักของพฤติกรรมแห่งนี้ก็จะได้รับมากพอใจทำการแยกวิเคราะห์แต่ละเหล่านี้การกำหนดเกณฑ์ dichotomous แต่ละประเภทตัวแปร ในกลุ่มผู้สูบบุหรี่ อย่างไรก็ตาม การจำนวนการสังเกตจะต่ำเกินไปความหมายวิเคราะห์ทางสถิติตัวแปรพหุกับเช่นบิดตัวแปรอิสระ ดังแสดงในตาราง V อย่างไรก็ตาม ดำเนินการแยกวิเคราะห์ใช้รุ่นผมและรุ่น ILปัจจุบันสื่อมวลชนรณรงค์ ที่ตามข้อความที่ออกแบบมาเพื่อกระตุ้นเสียงที่ไม่ประสานและสาวที่เป็นเป้าหมายเฉพาะ ดีที่สุดผลกระทบระยะสั้นหญิง และ ระหว่างผู้สูบบุหรี่โดยเฉพาะ เป็นเรื่องระหว่างบุคคล ความสนใจสื่อสารและพฤติกรรมผล
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