Which type of reliability exists when consistency of observation, measured by a correlation coefficient, is noted between two or more research assistants who record their observations of an event at the same time?
a. Internal consistency
b. Parallel forms
c. Test-retest
d. Interrater
ANS: D
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A The example illustrates a test of homogeneity.
B The example does not include two instruments measuring the same construct.
C The example does not include a time interval between administration of the instrument.
D The consistency of observations between two raters making an observation illustrates interrater reliability.
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