Dr. Iverson has had 25 students who have repeated her advanced Economics class over the past five years. Each time, the students' grades for the second attempt in her course were nearly identical to the grades received on the first attempt. What could Dr. Iverson conclude about her testing procedures?

Question

Quizplus · Accepted Answer

The fact that the students' grades for the second attempt in Dr. Iverson's course were nearly identical to the grades received on the first attempt suggests that her testing procedures are providing reliable measures of student ability. This means that the tests are consistently measuring what they are supposed to measure. However, we do not have enough information to determine if they are also valid measures of student ability, if they are well standardized, or if they measure abstract reasoning skills successfully.

Dr Iverson Has Had 25 Students Who Have Repeated Her