The Reliability of an Assessment Instrument Tells Us
A test produces an estimate of a students true score or the score the student would receive if given a perfect test. Even one measure may be reliable or unreliable depending on the manner in which the instrument is used the subjects observed the skill of the observer and the number and length of observation periods. Pin On Powerpoint For Spd 530 AskedJan 17 2017in Educationby KidoKudo a. . The reliability of an assessment instrument tells us. Grand Canyon University ESC 590. Reliability is important in the design of assessments because no assessment is truly perfect. Reliability refers to the extent to which an assessment method or instrument measures consistently the performance of the student. Reliability in the assessment of student learning is also about accuracy and consistency and as a rule the higher the stakes of the decision we want to make based on assessment information the more accurate and consistent we want t...