Search. Also known as an accessory tragus or a branchial cleft remnant, ear tags are usually located in front of the ear or on the cheek, and consist of skin and cartilage. Many tags have a narrow stalk (a pedunculated tag), and some pediatricians may tie a string around the tag to intentionally âstrangleâ it.
Validity. The extent to which a test measures what it is supposed to measure. All tests are designed to measure something; hopefully something specific. If the test does indeed measure what it is intended to measure, then we can say that the test is --------.plit-Half Reliability. A measure of consistency where a test is split in two and the scores for each half of the test is compared with one another. If the test is consistent it leads the experimenter to believe that it is most likely measuring the same thing.
validity. the extent to which a measuring device measures what it intends or purports to measure. construct validity the degree to which an instrument measures the characteristic being investigated; the extent to which the conceptual definitions match the operational definitions.content validity verification that the method of measurement actually measures what it is expected to measure; see also face validity.ace validity a type of content validity, determining the suitability of a given instrument as a source of data on the subject under investigation, using common-sense criteria.