A researcher wants to measure content-sampling error with a Likert scale test.Which of the following methods would be best?
A)Test-retest
B)Coefficient Alpha
C)The Kuder-Richardson formulas
D)Interrater differences

Question

Quizplus · Accepted Answer

Coefficient Alpha (often denoted as Cronbach's Alpha) is the best method for measuring internal consistency within a test, such as a Likert scale test, which is crucial for assessing content-sampling error. It evaluates how well a set of items measures a single unidimensional latent construct.

A Researcher Wants to Measure Content-Sampling Error with a Likert