polychotomous variable a variable having more than two poss...
vibrotactile aid see tactile sensory aid.
PROLOG n. PRO(gramming) LOG(ic): a high-level computer lang...
acute depression 1. a sudden onset of depression. 2. a seve...
comprehension test 1. a reading-ability test in which under...
view invariance in recognition by components theory, an unc...