Support and limitation of planned behaviour

Question 1

Support 1#

Answer 1

Attitude towards the behaviour, subjective norms behavioural control predicted testicular self-examination
(Wickersham,1990)

Question 2

Support 2#

Answer 2

Speeding: components of the model predicted both behavioural intentions and actual behaviour
(Conner et.a,2006)

Question 3

Support3#

Answer 3

weight loss predicted directly by PBC

Scheffler and Ajzen,1985

Question 4

Support4#

Answer 4

Meta-analyses: model predicts a wide range of behaviour e.g. TPB accounted for 19.7% of the variance in health behaviours, with the intention being the strongest (McEachen et al,2011)

Question 5

The advantage over cognition Models

Answer 5

Accounts for social and environmental factors

Role of past behaviour

Question 6

Limitations#1

Answer 6

Doesn’t account for unconscious influences on behaviour

Question 7

limitation#2

Answer 7

No direction of causality
-TPB was less predictive of health behaviour in longitudinal studies when samples were not students, with objective measures
(MCEachen et.al 2011)

Question 8

Limitation3#

Answer 8

lack of experimental studies