I will conduct a mixed-methods qualitative study (semi-structured interview). The second quantitative study will be a survey (descriptive study) to determine whether the intervention is acceptable.
I would like to know how I can use (TFA) in my research.
I have difficulty distinguishing between (The Likert scale) and the Theoretical Framework of Acceptability (TFA). Where is the difference, when should I use it, and which one can help me in the quantitative study?
Likert scored items are form of quantitative measure that use a response format such as Strongly Disagree to Strongly Agree. For a scale you need to test whether those items all measure the same thing (i.e., high reliability), and if so you can add the items together.
All of this requires that you have a set of survey questions that correspond to your Theoretical Framework of Acceptance, which appear to be available in the "Additional Files" associated with the article that you attached.
Dear Abdullah H Assiri TFA is a theoretical part developed by a researcher based on relevant theory and literature and Likert Scale is the mean to measure the latent variables in a TFA or Research Model. Normally when we cannot measure something directly (such as perceptions) we use a set of valid statements as an instrument to measure that variable through Likert Scale option. Tq.
Attitude and perceptions are based on likert scale that can be transformed into ordinal scale and finally you can run multiple linear regression analysis.
Remember that when you run OLS make sure to include confounding factors and strong justification for using Likert scale in multiple linear regression model.
Wish you all the best.
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