HLT 362 Week 3 Module 3 Exercise 31
Module 3 Exercise 31
What are the two groups whose results are reflected by the t ratios in Tables 2 and 3?
Which t ratio in Table 2 represents the greatest relative or standardized difference between the pretest and 3 months outcomes? Is this t ratio statistically significant? Provide a rationale for your answer.
Which t ratio listed in Table 3 represents the smallest relative difference between the pretest and 3 months? Is this t ratio statistically significant? What does this result mean?
What are the assumptions for conducting a t-test for dependent groups in a study? Which of these assumptions do you think were met by this study?
Compare the 3 months and 6 months t ratios for the variable Exercise from Table 3. What is your conclusion about the long-term effect of the health-promotion intervention on Exercise in this study?
What is the smallest, significant t ratio listed in Table 2? Provide a rationale for your answer.
Why are the larger t ratios more likely to be statistically significant?
Did the health-promotion program have a statistically significant effect on Systolic blood pressure (BP) in this study? Provide a rationale for your answer.
Examine the means and standard deviations for Systolic BP at pretest, 3 months (completion of the treatment), and 6 months. What do these results indicate? Are these results clinically important? Provide a rationale for your answer.
Is this study design strong or weak? Provide a rationale for your answer.
Would you, as a health care provider, implement this intervention at your facility based on the Total Risk Score results? Provide a rationale for your answer.
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