A researcher evaluates a measurement tool by administering the tool to a group of subjects every 2 weeks for 8 weeks.This is a measure of the tool's
A) alternate forms reliability.
B) internal consistency reliability.
C) interrater reliability.
D) test-retest reliability.

Question

Quizplus · Accepted Answer

Test-retest reliability measures whether the same attribute is consistent from one testing time to another.Alternate forms reliability seeks to determine whether two forms of an instrument measure the same attributes.Internal consistency reliability addresses the correlation of each question to other questions within the scale.Interrater reliability measures whether two or more observers measure the same attributes.

A Researcher Evaluates a Measurement Tool by Administering the Tool