a researcher has conducted a study that uses a measurement tool for agitation, normed in a hospital setting, in an outpatient mental health setting. after completion of the data analysis phase, which of the following is the next logical step in evaluating the evidence?

a. identification of statistically significant findings

b. recalibration of all instruments used for physiological measurements

c. examination of the measurement tool's reliability in this setting

d. re-evaluation of the tools validity in this population

e. review of the literature