Hello everyone,
Several studies have shown use of 2 theories [e.g., Theory of planned behaviour (TPB) and Health belief model (HBM) or Social cognitive theory (SCT) and HBM] to investigate diet or health related behaviours.
1. Can we have more than 2 theories in a study? Any complexity in doing this?
2. Perceived behavioural control of TPB corresponds to the self-efficacy and perceived barriers of SCT?
Identify the theories that did NOT apply to the study. Then, identify the theoretical perspective that aligns with the research study. Every study is "testing" a theory, not "proving" it. Therefore, tolerating ambiguity is essential for retaining validity.
I think yes. There is no restriction in accepting that if you have documented evidence on that.
Yes you can depending on your objective and what your expectations are
Definetely yes. Some behaviours keep one healthy while others do opposite.
Yes, there are several theories and two three and so can be combined, depending on your objective or area of concentration.
Yes two theories can be combined in a study unlike my master thesis , I used theory of Reason Action and social cognitive theory , which are considered good
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