Which of the following factors would not be a source of measurement error for scores on this exam?
A) differences among students in the ability to take multiple choice exams
B) differences in knowledge and understanding of research methods
C) ambiguously worded questions
D) students' state of health

Question

Quizplus · Accepted Answer

Differences in knowledge and understanding of research methods are what the exam is intended to measure, so they are not a source of measurement error. Measurement error refers to factors that affect the accuracy of the measurement, not the construct being measured.

Which of the Following Factors Would Not Be a Source