This study explored the prevalence and impact of sleep problems on various aspects of people’s lives. Staff from a university were invited to complete a questionnaire containing questions about their sleep behavior (e.g. hours slept per night), sleep problems (e.g., difficulty getting to sleep) and the impact that these problems have on aspects of their lives (work, driving, relationships, etc).
1. You want to examine if there is a difference in “how many alcoholic drinks per day: (alcohol) and whether the person had “trouble falling asleep” (trubslep)
a. What test will you use and why? (1 point)
b. Narrate your findings. (2 points)
2. You want to determine if there is a difference in the proportion of males and females who indicate they have a sleep problem (problem)
a. What are the % of sleep problems by gender?(1 point)
b. How many of the total sample have no problems with sleep? (1 point)
c. Narrate your findings as to whether this proportion is significantly different. (2 points)
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3. In the data base, scores for “rate general health” ranged from 1 (very poor) to 10 (very good). Recode this data so that scores 7 and above are “in good health” and scores below 7 are
“with health problems”. Answer the questions:
a. Provide the syntax for your recoding (1 point)
b. Are those “in good health” more likely to report less problem sleeping than those with health problems? (1 point)
c. Is there a significant difference? (1 point)
d. What is the effect size? (1 point)
e. Narrate these findings. (2 points)
4. Conduct a Kruskal-Wallis Test to compare the mean sleepiness ratings (Sleepiness and Assocated Sensations Scale total score: totSAS) for the three age groups defined by the variable agegp3 (
Answer the following questions using:
Mayland, C. R., Williams, E. M., Addington-Hall, J., Cox, T. F., & Ellershaw, J. E. (2014). Assessing the Quality of Care for Dying Patients From the Bereaved Relatives’ Perspective: Further Validation of “Evaluating Care and Health Outcomes–for the Dying”. Journal of pain and symptom management, 47(4), 687-696.
5. What type of analysis was conducted in this study to examine group differences? What three groups were analyzed for differences?
6. State the null hypothesis for communication for the three groups. Should this null hypothesis be accepted or rejected? Provide a rationale for your answer.
7. What is the purpose of conducting post hoc analysis?
8. Identify the post hoc results for communication on Table 2. Which results are statistically significant? What do these results mean?
9. What is the F for spiritual need—next-of-kin? Is this result statistically significant? Provide a rationale for our answer.
10. What are the post hoc results for spiritual need—next-of-kin? Which results are statistically significant? What do the results mean?
11. Mayland et al. (2014) chose to dying patients’ next-of-kin rather than the patients themselves as study participants to assess end of life care. In your opinion, was this an appropriate choice?
12. ANOVA was used for analysis by Maryland et al. (2014). Would t-tests have also ben appropriate? Provide a rationale for your answer.