Retrieve the following full-text article from the Cumulative Index to
Nursing and Allied Health Literature or similar search database:
Guyker, W., Donnelly, K., Donnelly, J., Dunnam, M., Warner, G.,
Kittleson, J., … Meier, S. (2013). Dimensionality, reliability, and
validity of the combat experiences scale.Military Medicine, 178,
377–384.
Review the article, focusing on the section that describes the testing
of the instrument. Consider the following appraisal questions in your
critical review of this research article:
1. The authors use a factor analysis to examine the instrument’s
factor structure. Which type of validity is supported by this analysis?
2. What evidence is presented for internal validity of the instrument?
Are the coefficients sufficient to conclude the instrument has internal
reliability? Why or why not?
3. Describe the use of discriminant validity in the evaluation of this instrument.
4. Did all subjects react to the instrument similarly? Which events or
characteristics might affect the generalizability of this instrument?
5. Under which conditions would you be comfortable using this instrument
for data collection? Which evidence-based practice questions might this
instrument help answer?