Author Question: In a research study, ambulatory clinic nurses teach children with asthma how to monitor peak ... (Read 53 times)

AEWBW · **on:** Jul 8, 2018

In a research study, ambulatory clinic nurses teach children with asthma how to monitor peak expiratory flow volumes and how to use metered-dose inhalers to determine

whether asthma control scores improve. The researcher discovers inconsistencies in how these measures were taught and how well the children understood the concepts. This represents a lack of:
a. control of extraneous variables.
b. internal validity.
c. intervention fidelity.
d. precision of measurement.

Question 2

A researcher develops a 7-point Likert scale to evaluate feelings of well-being in patients who are undergoing chemotherapy. The researcher administers this measure to other, similar patients in other medical centers. This is done in order to

a. decrease mono-operation bias.
b. improve the test-retest reliability.
c. increase interrater reliability.
d. strengthen the operational definition of constructs.