I am going to educate staff on health literacy awareness. I will do pre- and post-test. For this, I plan on descriptive statistics and t-test. Is this correct?
After beginning advance care planning visits, I will evaluate the number of ACP visits billed--descriptive statistics.
I also want to examine the number of advance directives completed based upon health literacy scores. There are four possible ranges of scores. If I wanted to examine the relationship of advance directives completed related to health literacy scores, what statistical test would you recommend?
To compare pre and post test, you need a paired t - test.
If you want to evaluate likert-type responses, I would like to suggest the next few techniques:
variance techniques: Mann whitney test or Kruskal wallis test.
regression techniques: Orederer logistic regression or multinomial logistic regression.
Also you can reduce the categories in your dependent variable to two categories and then use binary response techniques like logit regression, probit regression.
For pre and post response we use the one sample t-test, or independent t sample test etc for other co-relations the Anova is also a choice.
If the same subjects are involved then paired t-test may be used for pre-order and post - comparison. Otherwise independent t-test might be used. The relationship between advanced directives completed and health literacy scores may be estimated by ordinary least squares regression.
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