Author Question: Which of the following questions should the nurse ask in order to judge the validity of a research ... (Read 33 times)

kellyjaisingh · **on:** Jul 17, 2018

Which of the following questions should the nurse ask in order to judge the validity of a research study?

a. What reliability information has been provided?
b. Are the instrument measures applied consistently?
c. Does the instrument measure what it is supposed to measure?
d. How much random error exists?

Question 2

The nurse is evaluating the results of two different studies examining the relationship between time of day and sundowning in the geriatric setting.

After 1 month, the nurse realizes that there is a difference of 1 hour in the instruments used for measurement. The nurse knows that this is a threat to: a. validity.
b. reliability.
c. causality.
d. truthfulness.

manuelcastillo · **Reply #1 on:** Jul 17, 2018

Answer to Question 1

A
Validity and reliability are inseparable because they test whether instruments, tools, machines, and research designs will give accurate results with the questions or hypotheses being studied. Options b, c, and d are questions to determine reliability.

Answer to Question 2

B
Reliability refers to measuring the instrument by asking how trustworthy it is at gathering the intended data. Options a, c, and d are incorrect.