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.
Freebase(0.00 / 0 votes)Rate this definition: Slinky. Slinky is a toy, a helical spring that stretches and can bounce up and down. It can perform a number of tricks, including traveling down a flight of steps end-over-end as it stretches and re-forms itself with the aid of gravity and its own momentum.