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Theory of Planned Behaviour (Attitude (Attitude-behaviour (Wicker (1969)…
Theory of Planned Behaviour
Attitude
Attitude as a term in visual art to describe postures and outward appearence
Darwin expression of emotions in man and animals - patterns of motor activity express emotions
General feeling of favour (or disfavour) towards an object person or concept (Ajzen & Fishbein)
Attitude-behaviour
Wicker (1969) attitude unrelated or only slightly related to behaviour
Ajzen & Fishbein this is a measurement problem
ANY behaviour can be predicted from attitude
Davidoson jacard 1976
Birth control questionaire
followed up 2 years later
have you used birth control pills
low correspondence birth control
greater to pills
greatest to using.
LaPiere Chinese couple experiment
Criticisms
strong norms of politness vs questionaire answer
who responded?
typicality effect - stereotype vs. real person
Implicit attitudes
unknown origin
activated automatically
influence implicit responses
Not seen as part of attitude, and so not controlled/moderated
#
Theory of reasoned action
Attitude to behaviour
subjective norm
these give behavioural intention
this predicts behaviour action
Subjective norm is a social influence variable.
normative beliefs - other people and wish to comply
Perceptions of social pressures to perform (or not) a certain action
Attitude
behavioural beliefs - doing this will lead to outcomes
Seen as largely automatic or implicit only in rare cases do we become aware (Ajzen & F)
Subjective expected utility theory
TPB
TRA only deals with volition
doesn't deal with restricted behaviour
PERCIEVED BEHAVIOURAL CONTROL added
.71 (Ajzen) or .63 (Connor) betweenTPB elements and intention
Description rather than how to change or design intervetion
Criticisms
Affect
Overly cognitive/rational (questionnaire is inherrently cognitive)
anticipated regret
Impulsivity better predicts
Ajzen
theory does not anticipate sexual urges, addictions, strong emotions
However implicit attitudes cover affect
Intention/behaviour gap
Correspondence/compatibility (see measurement accuracy)
Intention stability - change over time between sample and action
lack of control (acknowledge within model)
Attitude strength
some flexible others not
Important ideas for stron attitudes are:
Durability over time
influential impact of behaviour
resistance to persuasion
Positive attitude (high positive, low negative)
Negative (low positive, high negative)
Ambivalent (high positive, high negative)
Indifferent (low positive, low negative)
Ambivalence
strong positive and negative attitudes/feelings at the same time
Wanting cake, but wanting to not want cake (elster 1989)
concerned about the present rather than the future. Impulsivity when immediate, less in the future. e.g. booking a meal in advance (herrnstein)
Gym membership
ambivalent attitude predicts weaker intention-behaviour relationship
Indifference
survey methodology
People don't have an attitude but mark scale anyway
Survey methodology
Developments
Additional variables
Ajzen - invite to add other things
but no redundancy and parsimony
Moral norms
Descriptive norms
self-identity
anticipated affect/regret
Moral - not wide range
Descriptive norm - Accepted
self-identitiy - not behaviour specific, not conceptually independent
Anticipated regret- problem of correspondence/compatibility
Percieved norm replaced with SUBJECTIVE NORM
INJUNCTIVE - what others think you should do
DESCRIPTIVE - how others behave
Behavoiur specific
causal factor
conceptually independent
applicable to wide range of behaviours (not only work sometimes)