Chapter 12
1. When making good decisions in evidence-based practice, the ____ of the data is necessary.
a. confirmability
b. trustworthiness
c. independence
d. timing - ANS B
2. Reliability is defined as the case in which an instrument:
a. consistently measures the same th...
Research Exam 3 Questions Graded A+
With Answers
Chapter 12
1. When making good decisions in evidence-based practice, the ____ of the data is necessary.
a. confirmability
b. trustworthiness
c. independence
d. timing - ANS B
2. Reliability is defined as the case in which an instrument:
a. consistently measures the same thing
b. measures what is supposed to measure
c. measures demographic data
d. consistently measures the same sample - ANS A
3. Reliability and relevance may exist:
a. with dependence on validity
b. with only independence of validity
c. independently of validity
d. none of the above - ANS C
4. A valid test will ____ have some degree of reliability and relevance.
a. never
b. sometimes
c. frequently
d. always - ANS D
5. When measuring blood pressure, the actual score is the:
a. observed score on the instrument
b. estimated score determined by the nurse
c. perfect score without error
d. first sound heard by the nurse - ANS A
, 6. Reliability coefficients greater than ____ are considered to be high.
a. 0.50
b. 0.60
c. 0.70
d. 0.80 - ANS D
7. As an example of consistency and stability in EBP, when a urinalysis is done four times in a
24-hour period, the urine sample need to be the ____ amount.
a. correct
b. same
c. smallest
d. largest - ANS B
8. Dividing scores on a pain questionnaire (with 0-5 items) into odd-numbered and
even-numbered scores is a mechanism that can be used to determine:
a. external consistency
b. relevance
c. internal consistency
d. validity - ANS C
9. A research study was developed to consider the assessment of skin color. Nurses on a
medsurg until were asked to record their judgments of the skin color from four pictures of
individuals with differing skin tones. This process is an example of which area of reliability
measurement?
a. accuracy
b. objectivity
c. feasibility
d. equivalency - ANS B
10. Which test is used to establish the measurement of the accuracy related to reliability?
a. ANOVA
b. standard error of measure (SEM)
c. pearson product moment (PPM) correlation
d. reliability coefficient - ANS B
11. To establish a test as an accurate measurement of reliability, the test scores need a
relatively ____ standard deviation and a _____ reliability coefficient.
a. high; low
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