Assignment: Results Of Power Analysis

Assignment: Results Of Power Analysis
Assignment: Results Of Power Analysis
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4. Was a power analysis conducted? If so, which statement best describes the results of the power analysis?
a. The authors mention that an a priori power analysis was conducted, and 200 subjects were
determined to be needed for the study.
b. The authors mention that a power analysis was conducted using four predictors and 1-way ANOVA using three independent groups for a needed sample size of 159.
c. The authors do not report that a power analysis was conducted.
5. Which of these statements would be considered an inclusion criterion for the sample in the research article?
a. English-speaking
b. Have at least two years of experience as a nurse
c. Work on a Medical Surgical unit
d. Be a member of the Medical Surgical Nurses Association
6. Which of these statements would be considered to be exclusion criterion specifically identified by the author for the sample in the research article?
a. The exclusion criteria were explained verbally during recruitment.
b. History of depression/ mental health issue.
c. Report of no stress related problems by the participant.
d. Participants only worked on the night shift.
7. What is the refusal rate for this study? (Hint: see page 253 in your text)
a. 161/200 X 100% = 80%
b. 84/159 X 100% = 53%
c. unknown / cannot be calculated.
d. 39/200 x 100% = 19.5%
8. Which of the following would be accurate for the attrition rate for this study?
a. 161/200 X 100% = 80%
b. 39/200 X 100% = 20%
c. 84/159 X 100% = 53%
d. 0%
9. What was the setting for this research study? Briefly describe the setting and indicate whether it was appropriate for conducting this study.
a. The setting for this study was a partially controlled setting and was appropriate for this study’s research design.
b. The setting for this study was not well described by the authors and therefore not appropriate for
conducting this study.
c. The setting for this study was a highly controlled setting and was appropriate for this study’s research design.
d. The setting for this study was a natural or field setting and was appropriate for this study’s research design.
Question 10 – 14: Measurement Methods. (For help with these questions, refer to chapters 10 & 12.)
10. Which ones of these questionnaires, scales, or physiologic measures is used in this research study?
(Select all that apply).
a. The Ways of Coping Questionaire (WAYS)
b. The Nursing Stress Scale (NSS)
c. The Perceived Stress Scale (PSS)
d. The Quality of Life Scale (QOLS)
11. How do the authors describe the reliability of the Nursing Stress Scale (NSS) in previous studies?
a. Two follow-up emails were sent to potential participants.
b. they compared the odd and even questions on the test to determine their equivalence.
c. a team of staff nurses was trained by the primary investigator to administer the questionnaire.
d. they tested a group of subjects twice using the same questionnaire (test-retest reliability).
e. they computed a Cronbach’s alpha on the Nurse Stress Scale that was administered to this group of subjects.
12. How do the authors describe the validity of The Ways of Coping Questionnaire (WAYS).
a. discriminant validity demonstrated that each subscale measured the same constructs.
b. evidence of validity from contrasting groups because they gave it to spouses of MS nurses.
c. no was no mention of determining the validity of WAYS questionnaire.
d. The authors had experience with administering this questionnaire.