A researcher wants to know to what extent are all the questions within her test measuring the same thing. She can assess this by evaluating __________ the of her test or by using __________.

Question

Quizplus · Accepted Answer

Split-half reliability and coefficient alpha both assess the internal consistency of a test, which is the extent to which all the questions within the test are measuring the same thing. Face validity and predictive validity do not directly assess internal consistency, while construct validity is a broader concept that includes multiple aspects of test validity. Test-retest reliability assesses the consistency of scores over time, but not necessarily the internal consistency of the test.

A Researcher Wants to Know to What Extent Are All