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روان شناسی و مشاوره::
قصد رفتاری
, "People who are important to me would/ would not approve of me exceeding the speed limit"), combine to determine individuals' behavioural intentions (overall motivation to perform a behaviour; e.g.
Behavioural intentions are, in turn, held to be a direct proxy for behaviour.
In the present context, for example, drivers would be more likely to speed if they develop behavioural intentions that are based on positive (rather than negative) attitudes towards speeding and subjectively held normative beliefs that important social referents would approve (rather than disapprove) of them exceeding the speed limit.
A meta- analysis conducted by Albarracín, Johnson, Fishbein, and Muellerleile (2001) examining k=96 studies that focused on condom use found that the sample weighted mean correlations between attitudes and behavioural intentions and subjective norms and behavioural intentions were r+ = 0.58 and r+ = 0.39, respectively, and the sample weighted mean correlation between intentions and behaviour was r+ = 0.45.
Similarly, a meta-analysis conducted by Hagger, Chatzisarantis, and Biddle (2002) examining k=72 studies that focused on exercise behaviour found that the sample weighted mean correlations between attitudes and behavioural intentions and subjective norms and behavioural intentions were r+ = 0.60 and r+ = 0.32, respectively, and the sample weighted mean correlation between behavioural intentions and behaviour was r+ = 0.57.
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