According to _______ test theory, a person’s test score (obs…
According to _______ test theory, a person’s test score (observed score) is made up of two independent parts. The first part is a measure of the amount of the attribute that the test is designed to measure, which is known as the person’s true score. The second part of an observed test score consists of random error that occur at any time a person takes a test. Fill in the blank with the appropriate words.