Gwen is conducting a study on mathematics skills. She is interested in a test that measures computation of basic algebra. She found one with a reported KR-20 of .34. What is one conclusion Gwen can make regarding the test as a measure of algebra skills?
A) The reliability is generally low
B) The content validity is generally valid
C) The predictive validity is moderately valid
D) The consequential validity is moderately valid

Question

Quizplus · Accepted Answer

The reported KR-20 of .34 indicates a low level of internal consistency reliability for the test. This means that the test is not a reliable measure of algebra skills, as it does not consistently measure the same underlying construct.

Gwen Is Conducting a Study on Mathematics Skills