Validity refers to the degree to which an item is measuring what it’s actually supposed to be measuring. Read More
Category: Test Validity
Validity refers to the degree to which test results accurately reflect what the test intends to measure. A language test is valid if it is believed to measure language ability based on evidence and consensus. Three important types of validity contribute to overall validity: construct validity, content validity, and concurrent validity.
Understanding Assessments: Reliability of Tests
Reliability is the degree of consistency of measurement in a test. A test has a high degree of reliability if it produces similar results consistently under similar conditions. Read More
Understanding Assessment: Understanding the Standard Error of Measure
The standard error of measure indicates the amount of uncertainty that a sample (such as a normative sample) is truly representative of the general population. In the case of administering standardized tests, it conveys the level of uncertainty that a single test performance observed by the evaluator represents how the child would do if it were administered multiple times. Read More
