Concurrent validity and predictive validity are the two types of criterion-related validity. In order for a test to be valid, it needs to have construct validity, content validity, and criterion-related validity.
â¢ GLASSY (adjective) The adjective GLASSY has 3 senses: 1. resembling glass in smoothness and shininess and slickness. 2. (used of eyes) lacking liveliness. 3. (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it. Familiarity information: GLASSY used as an adjective is uncommon.
Definition of 'grainy'. grainy. A grainy photograph looks as if it is made up of lots of spots, which make the lines or shapes in it difficult to see. ...grainy black and white photos. Grainy means having a rough surface or texture, or containing small bits of something. ...the grainy tree trunk.