Theories of Health.

Similarities between the three studies from A, subsection one, Theories of Health. Health Belief Model, Locus of Control, Self Efficacy. 


Theories of Health.


  • Becker and Pulchala studies both based on self-report methods. This reduces validity as there is social desirability bias.
  • Pulchala and Wineman both used the cognitive approach to their studies.


  • Even though Pulchala and Becker both used women, some were mothers and the others were student nurses.

Overall comparison

The best theory to explain health behaviour is the HBM (health belief model) there is evidence to support it. more positive correlations. it also takes different factors into consideration / context with fully supportive psychological evidence. 


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